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Diseases » Mouth conditions » Glossary
 

Glossary for Mouth conditions

  • ADULT syndrome: A rare syndrome characterized by nail abnormalities, abnormal teeth development, tear duct obstruction, pigmentation anomalies and hand and foot abnormalities.
  • AREDYLD: A rare condition characterized by abnormalities of the extremities, teeth, hair, nail and kidney as well as lipoatrophic diabetes.
  • Abrikosov's tumor: A rare condition characterized by superficial, usually benign, slow-growing tumors occurring mostly on oral and genital tract tissue.
  • Achalasia -- adrenal -- alacrima syndrome: A familial disorder characterized by adrenal gland-related hormonal problems, swallowing difficulty (achalasia) and a lack of tears (alacrima). Neurological impairment and motor and sensory neuropathy is progressive. The adrenal glands in patients are resistant to the ACTH hormone and hence fails to operate normally.
  • Ackerman syndrome: An extremely rare condition characterized primarily by glaucoma, upper lip deformity and abnormal tooth roots.
  • Acrofacial dysostosis -- ambiguous genitalia: A rare disorder characterized mainly by ambiguous genitals and abnormal development of bones in the face, jaw, hands and feet.
  • Acrofacial dysostosis Catania form: One of a group of disorders characterized by defective limb and facial development. The Catania form is very rare.
  • Acrofacial dysostosis autosomal recessive: A rare inherited disorder characterized mainly by facial, hand and foot anomalies. The disorder resembles Nager syndrome.
  • Acrofacial dysostosis, Palagonia type: One of a group of disorders characterized by defective limb and facial development. The Palagonia type is very rare and the symptoms are relatively mild.
  • Acromegaloid facial appearance syndrome: A very rare genetic disorder characterized by thick lips and gums, thick upper eyelids, large hands and occasionally mental deficiency.
  • Acromegaloid facies -- hypertrichosis: A very rare genetic disorder characterized by thick lips and gums, thick upper eyelids, large hands and occasionally mental deficiency.
  • Acroosteolysis dominant type: A rare inherited connective tissue disorder characterized by breakdown of bone especially in the ends of the fingers and toes.
  • Acropectorovertebral dysplasia: A rare inherited genetic disorder characterized by abnormalities involving the fingers, toes, palate and chest bones.
  • Acrorenal mandibular syndrome: A very rare condition characterized by a split hand or foot deformity, kidney abnormalities and underdeveloped lower jaw.
  • Actinic cheilitis: Degeneration of the lip due to sun damage. The condition is considered precancerous.
  • Acute necrotizing ulcerative gingivitis: A rare form of bacterial oral infection which causes inflammation and ulceration of the gums. The infection results in an excess number of the bacteria which are normally found in healthy mouths. Certain viruses may be a factor in allowing the overgrowth of these bacteria. Factors such as smoking, stress, poor nutrition and poor oral hygiene may increase the risk of the infection.
  • Adducted thumb syndrome recessive form: A rare recessively inherited disorder characterized mainly by a small head, arthrogryposis (joint contractures), cleft palate and various other abnormalities.
  • Adenoid cystic carcinoma: Salivary gland type malignant neoplasm arising from bronchial seromucinous glands. Composed of epithelial and myoepithelial cells in cribriform, tubular and solid growth patterns.
  • Adenoid cystic carcionoma: Adenoid cystic carcinoma of the breast is a rare neoplasm. It has a biological course of slow progression and near absence of Iymph node metastasis.
  • Adenoid disorders: A disorder of the adenoids of the throat
  • Adenoiditis: Infection of the adenoids in the nasal-throat region
  • Agenesis of salivary glands and lacrimal glands: A rare syndrome characterized by absent or severely underdeveloped salivary and lacrimal glands. The ducts openings are usually absent also.
  • Agenesis of the corpus callosum -- mental retardation -- coloboma -- micrognathia: A rare inherited disorder characterized by mental retardation, coloboma, small jaw and a brain anomaly.
  • Aglossia: A rare birth defect where the tongue is missing or underdeveloped. Often other anomalies are also present e.g. missing parts of hands and feet, small jaw and oral webbing.
  • Aglossia and situs inversus: A rare birth defect where the location of the internal organs are opposite to where they should be i.e. the heart is on the right side instead of the left. This condition is also characterized by the absence of the tongue.
  • Aglossia-Adactylia syndrome: A rare syndrome characterized mainly by the association of a missing tongue with missing fingers or toes. Other malformations are also variably present.
  • Aglossia-Hypoactylia syndrome: A rare syndrome characterized mainly by the association of a missing tongue with missing fingers or toes. Other malformations are also variably present.
  • Agnathia-holoprosencephaly-situs inversus: A very rare disorder characterized by a small or absent jaw, developmental brain defect and internal organs situated on the wrong side of the body (situs inversus). The severity and range of symptoms is variable.
  • Agnathia-microstomia-synotia: A rare disorder characterized by an absent or very small lower jaw, small mouth and ear lobes which are very close together or even fused (synotia).
  • Aksu von Stockhausen syndrome: A rare condition observed in a Turkish family and characterized by various head and neck malformations that have resulted from abnormal development of the branchial arches.
  • All Disease Categories: All major disease categories
  • Alopecia, epilepsy, pyorrhea, mental subnormality: A rare syndrome characterized by alopecia, epilepsy, mental retardation and pus-producing gum and tooth inflammations.
  • Alveolar Bone Loss: Loss of bone tissue in the thickened bone ridge that holds the tooth sockets. Gum disease is the main cause of alveolar bone loss.
  • Amelo-cerebro-hypohidrotic syndrome: A rare syndrome involving degeneration of the central nervous system, seizures and abnormal tooth development.
  • Amelo-onycho-hypohidrotic syndrome: A rare disorder characterized primarily by tooth and nail abnormalities and reduced sweating ability.
  • Amelogenesis Imperfeca, Hypoplastic, and Nephrocalcinosis: A rare disorder involving abnormal tooth development and kidney problems.
  • Amelogenesis Imperfecta: A rare genetic disorder characterized by defective tooth enamel.
  • Amelogenesis Imperfecta 2, hypoplastic local, autosomal dominant: Amelogenesis imperfecta is an inherited tooth development disorder characterized by tooth enamel defects. In this particular form of the disease, there is a lack of tooth enamel calcification. The tooth enamel is very soft and is lost soon after the teeth erupt. Both primary and secondary teeth are affected.
  • Amelogenesis Imperfecta hypomaturation type: Amelogenesis imperfecta is an inherited tooth development disorder characterized by tooth enamel defects. The hypomaturation type involves an abnormality during the maturation stage of enamel formation which causes the enamel to become porous and opaque.
  • Amelogenesis imperfecta local hypoplastic form: A rare inherited disorder involving abnormal formation of the tooth enamel. The type of abnormality may vary from pitted teeth to smooth teeth.
  • Amelogenesis imperfecta pigmented hypomaturation type: Amelogenesis imperfecta is an inherited tooth development disorder characterized by tooth enamel defects. The pigmented hypomaturation type is characterized by fragile tooth enamel which tends to be soft and rough and is usually a creamy to yellow/brown color.
  • Amelogenesis imperfecta, hypoplastic/hypomaturation, X-linked 1: Amelogenesis imperfecta is an inherited tooth development disorder characterized by tooth enamel defects. The hypoplastic/hypomaturation X-linked 1 form is characterized by thin tooth enamel which is of normal strength. The surface of the enamel varies from smooth to pitted and the tooth color is variable.
  • Amelogenesis imperfecta, hypoplastic/hypomaturation, X-linked 2: A rare inherited disorder involving abnormal formation of the tooth enamel which causes it to be thin and soft. The abnormality is inherited in a X-linked manner (Xq22-q28).
  • Amelogenesis imperfecta, local hypoplastic form, recessive: A rare inherited disorder involving abnormal formation of the tooth enamel which gives it a pitted appearance. Primary and secondary teeth are affected.
  • Amyloidosis of gingiva and conjunctiva mental retardation: A rare disorder characterized by mental retardation and abnormal amyloid deposits in the gums and conjunctiva of the eye.
  • Ankyloblepharon filiforme adnatum -- cleft palate: A rare inherited genetic disorder characterized by a cleft palate and eyelid fusion.
  • Ankyloglossia: A medical term for tongue tied which is an anomaly present from birth. The severity of the anomaly is variable with the tongue completed joined to the floor of the mouth in severe cases.
  • Ankyloglossia -- heterochromia -- clasped thumbs: An extremely rare inherited condition characterized by clasped thumbs (adducted thumb), different colored eyes and a tongue anomaly where the tongue has limited mobility due to the fact that it is excessively attached to the floor of the mouth.
  • Ankylosis of teeth: A rare genetic disorder where the teeth fuse to the bone which can prevent them from erupting. Varying numbers of teeth may be affected.
  • Anodontia: A congenital abnormality where some or all of the teeth are missing i.e. the follicles needed to grow the teeth are completely absent.
  • Anodontia and strabismus: A rare, dominantly inherited syndrome characterized by the association of strabismus and lack of teeth.
  • Anophthalmia -- cleft palate -- micrognathia: A rare syndrome characterized mainly by absent eyes, cleft palate and a small jaw.
  • Anophthalmia cleft lip palate hypothalamic disorder: A very rare inherited disorder characterized by one missing eye and one very small eye, cleft lip, cleft palate and high levels of thyroid-stimulating hormone.
  • Apelt-Gerkin-Lenz Syndrome: A rare inherited syndrome characterized by clefting of the lip and palate as well as the absence of variable portions of all of the limbs.
  • Aphthous Ulcer: A rare condition characterized by recurring periods of painful inflamed mouth ulcers.
  • Aphthous stomatitis: A rare condition characterized by recurring painful ulcers in the mouth.
  • Aplasia of lacrimal and salivary glands: A rare inherited disorder involving the absence of the salivary and tear-producing glands.
  • Arnold Stickler Bourne syndrome: A very rare syndrome characterized by muscle problems in hands, mouth and pharynx, kidney anomalies and corneal crystals.
  • Articulation Disorders: Errors made in speech sounds that consistently occur irrespective of the context. Examples of articulation disorders includes lisps, substitution of the "y" sound for "l" and difficulty with blends involving r, l or s (e.g. brick, clip, slap). The anomaly is common in young children but if it persists after the age of five, the condition needs to be examined closer. The anomaly may be caused by such things as facial muscle weakness.
  • Asthma related cough: Cough-variant asthma is a type of asthma in which the main symptom is a dry, non-productive cough. Cough-variant asthma is sometimes called chronic cough to describe a cough that has lasted longer than six to eight weeks.
  • Asthma-like cough symptoms: Asthma is a chronic disease causing airway constriction along with inflammation and excess collection of mucus in the airways leading to breathing difficulty.
  • Aughton syndrome: A very rare syndrome characterized primarily by small eyes, cleft palate, mental retardation and dextrocardia (heart located on right side of chest instead of left).
  • Auricular abnormalities -- cleft lip with or without cleft palate -- ocular abnormalities: A rare syndrome characterized by the association of external ear and eye abnormalities, cleft lip and sometimes a cleft palate.
  • Auriculo-condylar syndrome: A rare syndrome characterized by variable ear and jaw abnormalities.
  • Auriculoocular anomalies -- cleft lip: A very rare syndrome characterized by the association of abnormal external ears and a cleft lip and sometimes a cleft palate. Only two cases of the condition has been reported.
  • Ausems Wittebol-Post Hennekam syndrome: A very rare syndrome characterized by the association of a cleft lip with retinal problems.
  • Avellis's syndrome: Damage to a part of the brain stem (nucleus ambiguous) which affects signals being sent to the vagus nerve which controls the pharynx and larynx. Paralysis occurs on one side of the palate and vocal cord and loss of sensation in the other side of the body. The damage may be due to such things as trauma, cancer or toxicity.
  • Bamforth syndrome: A rare syndrome characterized mainly by the association of an abnormal opening in the roof of the mouth and reduced thyroid functioning.
  • Barber-Say syndrome: A very rare syndrome characterized primarily by excessive hair growth, skin anomaly, large mouth and outward turned eyelids (ectropion).
  • Bartenwerfer syndrome: A rare disorder characterized by dwarfism and facial and skeletal abnormalities. The disorder is a variant of Morquio disease.
  • Basal cell nevus anodontia abnormal bone mineralization: A rare syndrome characterized mainly by the association of basal cell nevus, absence of all teeth on one side of the mouth and abnormal bone mineralization.
  • Bazopoulou-Kyrkanidou syndrome: A very rare syndrome characterized primarily by skull, facial and skeletal and gum abnormalities.
  • Beckwith-Wiedemann Syndrome: A rare genetic disorder characterized by macroglossia, omphalocele, macrosomia and ear creases.
  • Belching: The release of gas from the digestive tract through the mouth.
  • Benign mucosal pemphigoid: A rare chronic disease involving blistering and scarring of the mucous membranes especially in the mouth and conjunctiva of the eye.
  • Berndorfer syndrome: A rare syndrome characterized mainly by a cleft palate, harelip and cleft hands and feet.
  • Bifid nose dominant: A rare inherited malformation where there is a cleft in the middle of the nose.
  • Bixler-Christian-Gorlin syndrome: A very rare syndrome characterized primarily by widely spaced eyes, small ears and a clefts in the lip, palate and nose.
  • Blepharo facio skeletal syndrome: A very rare syndrome characterized mainly by eyelid, facial and skeletal abnormalities.
  • Blepharochalasia -- double lip: A very rare syndrome characterized y blepharochalasis and a double lip.
  • Blepharophimosis syndrome Ohdo type: An extremely rare syndrome characterized primarily by mental retardation and eye anomalies. Only a handful of cases have been reported.
  • Blepharophimosis telecanthus microstomia: A rare syndrome characterized by a flat face, small mouth and ear anomaly as well as a range of other abnormalities.
  • Blepharoptosis -- cleft palate -- ectrodactyly -- dental anomalies: A rare genetic disorder characterized primarily by dental symptoms, opening in the roof of the mouth (cleft palate) and missing fingers giving the hands a claw like appearance.
  • Bogorad's syndrome: Spontaneous tearing of the eyes when eating or drinking. Tear production increases when salivation increases. It is most often associated with paralysis of a facial nerve.
  • Bork-Stender-Schmidt syndrome: A very rare syndrome characterized primarily by unusual hair, retinal disease, dental problems and short fingers.
  • Brachmann-De Lange Syndrome: A rare congenital disorder characterized by very small stature, synophrys, thin downturning upper lip and micromelia.
  • Brachycephaly -- deafness -- cataract -- microstomia -- mental retardation: A very rare syndrome characterized mainly by a short head, deafness, cataracts and mental retardation.
  • Brachymetapody, anodontia, hypotrichosis, albinoidism: A rare syndrome characterized by short foot bones, total absence of teeth, reduced amount of hair and lack of skin pigmentation.
  • Branchial clefts with characteristic facies, growth retardation, imperforate nasolacrimal duct: A rare genetic disorder characterized by branchial defects, tear duct obstruction and pseudocleft of the upper lip.
  • Branchial clefts with characteristic facies, growth retardation, imperforate nasolacrimal duct, and: A rare genetic disorder characterized by branchial defects, tear duct obstruction and pseudocleft of upper lip.
  • Branchio-Oculo-Facial Syndrome: A rare genetic disorder characterized by branchial defects, lacrimal duct obstruction and pseudocleft of upper lip.
  • Branchio-skeleto-genital syndrome: A rare inherited disorder characterized by mental retardation, jaw anomalies, cleft palate, sunken chest and other abnormalities.
  • Braun-Bayer syndrome: A familial disorder involving deafness, split uvula, short thumbs and toes and kidney problems.
  • Broken jaw: Fracture of the jaw bone (mandible)
  • Burning mouth syndrome, Type 1: A rare condition where there is a burning sensation in the mouth and tongue. Type 1 describes mouth burning that may be absent on waking but gets worse during the day. This type is often linked to conditions such as diabetes and nutritional deficiencies.
  • Burning mouth syndrome, Type 2: A rare condition where there is a burning sensation in the mouth and tongue. Type 2 describes constant mouth burning that does not fluctuate during the day. This form is often linked to reduced salivary gland functioning due to antidepressant use.
  • Burning mouth syndrome- Type 3: A rare condition where there is a burning sensation in the mouth and tongue. Type 3 describes mouth burning that comes and goes during the day and is often linked to anxiety and allergies (especially food additives).
  • Burping: Escape of air from Gastrointestinal tract.
  • Buttiens-Fryns syndrome: A rare genetic disorder characterized by a small jaw, small mouth and defects involving the hands and feet.
  • Calvarial doughnut lesions -- bone fragility: A rare disorder characterized by a number of doughnut shaped lesions on the skull which makes the skull lumpy. Weak bones resulting in fractures without trauma and dental decay are also features of this disorder.
  • Cancer of floor of mouth: The floor of the mouth is a horseshoe-shaped area under the tongue, between the lower jaw bones (the mandible). When a malignant tumor grows in this area it is called floor of the mouth cancer.
  • Candidiasis: Fungal infection of moist areas such as mouth or vagina
  • Canine teeth, absence upper permanent: A dental anomaly involving the delayed loss of the primary canine teeth as well as the absence of the secondary canine teeth. The incidence of other tooth anomalies is higher in patients with this abnormality.
  • Canker sores: Ulcers of the mouth or nearby areas
  • Cantu syndrome: A rare syndrome characterized by mental retardation, short stature, large skull, heart anomaly and various other abnormalities.
  • Capillary Malformation of the Lower Lip, Lymphatic Malformation of Face and Neck, Asymmetry of Face and Limbs, and Partial/Generalized Overgrowth.: A rare syndrome characterized by asymmetrical face and limbs, lymphatic malformations of the face and neck, capillary malformation of the lower lip and overgrowth of parts or all of the body.
  • Cardiac malformation, cleft lip-palate, microcephaly and digital anomalies: A newly described syndrome characterized by heart malformations, cleft lip/palate, small head and digital anomalies.
  • Carpal deformity -- micrognathia -- microstomia: A very rare syndrome characterized by wrist bone defects, a small jaw and a small mouth.
  • Cataract -- aberrant oral frenula -- growth delay: A rare syndrome characterized by cataracts, growth problems and abnormal mouth tissue (frenulum).
  • Cataract dental syndrome: A very rare inherited condition mainly involving eye abnormalities but also various other physical abnormalities. The type and severity of symptoms is variable.
  • Catel-Manzke Syndrome: A rare genetic disorder characterized by a small jaw, cleft palate and an extra bone at the base of the pointer finger.
  • Cayler syndrome: A very rare disorder involving heart defects and abnormalities involving the lower lip muscle.
  • Cerebellar ataxia -- ectodermal dysplasia: A rare syndrome characterized by balance and coordination problems and teeth and hair abnormalities.
  • Cerebral calcifications opalescent teeth phosphaturia: A rare condition characterized mainly by the association of abnormal calcifications in the brain (cerebrum), opalescent teeth and excessive levels of phosphates in the urine.
  • Cerebral gigantism -- jaw cysts: A very rare syndrome characterized mainly by abnormal brain development and jaw cysts.
  • Cerebro-oculo-dento-auriculo-skeletal syndrome: A very rare syndrome characterized by abnormalities of the brain, eyes, teeth, ears and skeleton.
  • Cervenka's syndrome: A rare syndrome characterized by joint and facial abnormalities as well as nearsightedness and degenerative eye problems.
  • Cheilitis: Inflammation of the lip
  • Cheilitis glandularis: A rare disorder characterized by inflammation of the lower lip which cause it to become enlarged and everted. The mucous glands and excretory ducts of the lip are also dilated. The condition is associated with an increased risk of lower lip cancer.
  • Cherubism: Hereditory progressive swelling of the mandible and sometimes whole jaw giving a cherubic look of the face.
  • Cholestasis -- pigmentary retinopathy -- cleft palate: A rare syndrome characterized by degeneration of retinal pigments, cleft lip, cleft palate, kidney problems and cholestasis (bile flow obstruction).
  • Chondroectodermal dysplasia: A rare genetic disorder characterized by dwarfism, extra fingers and/or toes and nail and hair abnormalities.
  • Christian's syndrome 1: A rare recessively inherited syndrome characterized by premature skull fusion, cleft palate, permanently flexed fingers and various other anomalies.
  • Chronic bronchitis-like cough: Chronic bronchitis is bronchitis that lasts longer than 3 months and is usually associated with whitish sputum.
  • Chronic cough: The chronic noisy sudden expulsion of air from the respiratory tract
  • Chronic hiccup: Persistent hiccupping that occurs for 48 hours or more. It can be caused by conditions such as gastroesophageal reflux, liver disease, kidney disease and esophageal inflammation. Sometimes there is no discernable cause.
  • Chronic tonsilitis: Chronic ongoing inflammation of the tonsils in the throat.
  • Chronic tonsillitis: Chronic infection/inflammation of the tonsils.
  • Chudley syndrome 1: A rare syndrome characterized by mental retardation, obesity, hypogonadism and a distinctive mouth.
  • Clayton-Smith Donnai syndrome: A very rare syndrome characterized by scaly skin and facial and finger anomalies.
  • Cleft Palate and Cleft Lip: A condition involving the association of a cleft lip with a cleft palate.
  • Cleft lip -- palate -- abnormal thumbs -- microcephaly: A very rare syndrome characterized by a small head, thumb abnormalities and a cleft lip and palate.
  • Cleft lip -- palate -- ectrodactyly: A very rare syndrome characterized by a cleft lip and palate and missing fingers and toes.
  • Cleft lip -- palate -- mental retardation -- corneal opacity: A very rare syndrome characterized mainly by mental retardation, cleft lip and palate and cloudy corneas.
  • Cleft lip and palate -- malrotation -- cardiopathy: A very rare syndrome characterized by heart defects, malrotated intestines and various facial anomalies.
  • Cleft lip palate -- deafness -- sacral lipoma: A very rare syndrome characterized mainly by an opening in the palate and lip, deafness and a lipoma in the end portion of the spine.
  • Cleft lip palate -- oligodontia -- syndactyly -- pili torti: A very rare syndrome characterized by a cleft lip and palate, webbed fingers, missing teeth and hair abnormality (pili torti).
  • Cleft lip palate incisor and finger anomalies: A rare syndrome characterized by the association of a cleft lip and/or palate and anomalies involving the fingers and front teeth.
  • Cleft lip palate pituitary deficiency: A very rare disorder characterized by a cleft lip and palate as well as deficient pituitary gland activity which affects hormone levels. The clefts and the pituitary abnormality are considered to be midline defects.
  • Cleft lip with or without cleft palate: An oral clefting syndrome where a cleft lip is present with or without a cleft palate.
  • Cleft lower lip cleft lateral canthi chorioretinal: A rare inherited disorder characterized by deafness at birth and corneal dystrophy which impairs vision. Other variable symptoms may be present.
  • Cleft palate: Birth defect of lip and mouth.
  • Cleft palate -- cardiac defect -- genital anomalies -- ectrodactyly: A very rare syndrome characterized by variable symptoms including cleft palate, heart defects, genital anomalies and hand and foot malformations.
  • Cleft palate -- coloboma -- deafness: A genetic disorder characterized by a combination of features including cleft palate, coloboma and deafness.
  • Cleft palate -- heart disease -- polydactyly -- absent tibia: A rare syndrome characterized by a cleft palate, heart disease, extra digits and an absent shin bone.
  • Cleft palate -- lateral synechia syndrome: A very rare syndrome characterized by a cleft palate and adhesions of the roof of the mouth to parts of the tongue.
  • Cleft palate -- short stature -- vertebral anomalies: A very rare syndrome characterized by a cleft palate, short stature and abnormalities of the vertebrae in the spine.
  • Cleft palate -- stapes fixation -- oligodontia: A very rare syndrome characterized by an opening in the roof of the mouth (cleft palate, the absence of six or more permanent teeth and hearing loss due to an inner ear abnormality (stapes fixation).
  • Cleft palate cardiac defect ectrodactyly: A very rare syndrome characterized mainly by the association of a cleft palate, heart defect and a hand malformation.
  • Cleft palate colobomata radial synostosis deafness: A very rare syndrome characterized mainly by a cleft palate, fused forearm bone, deafness and colobomata.
  • Cleft palate, X-linked: A rare X-linked disorder characterized mainly by a cleft palate.
  • Cleft palate, bilateral choanal atresia, curly hair and congenital hypothyroidism: A rare syndrome characterized by the association of curly, choanal atresia, cleft palate and congenital hypothyroidism.
  • Cleft palate, midfacial hypoplasia, triangular facies, and sensorineural hearing loss: A rare syndrome characterized mainly by a cleft palate, triangular face, impaired hearing and an underdeveloped midface.
  • Cleft upper lip, median -- cutaneous polyps: A rare birth disorder characterized mainly by a cleft in the upper lip, central nervous system tumors and skin polyps.
  • Clefting -- ectropion -- conical teeth: A rare birth syndrome characterized by cleft lip and palate, cone-shaped teeth and everted lower eyelids.
  • Coffin-Lowry syndrome: A rare genetic disorder characterized by down slanting space between eyelids, bulbous nose, soft hands and tapering fingers.
  • Cohen Syndrome: A rare genetic disorder characterized by reduced muscle tone, obesity and prominent front teeth.
  • Cold sores: Skin cores on the skin, face, or lips.
  • Coloboma of macula: A hole in the eye structure called the macula which is located in the middle of the retina and is involved in functions such as reading. Severity of symptoms is determined by the size of the defect.
  • Coloboma uveal with cleft lip palate and mental retardation: A very rare syndrome characterized by a cleft lip and palate, mental retardation and a gap or hole in the iris or uvea of the eye (iris or uveal coloboma).
  • Coloboma, cleft lip/palate and mental retardation syndrome: A very rare syndrome characterized by a cleft lip and palate, mental retardation and a gap or hole in the iris or uvea of the eye (iris or uveal coloboma).
  • Compulsive cheek biting: A form of obsessive compulsive disorder where a person compulsively bite their own cheeks. Sufferers can feel the pain they inflict on themselves but the feelings of gratification and stress relief prevent them from stopping. The severity and extent of damage to the cheek is variable. Stress and anxiety can trigger the cheek biting.
  • Cone rod dystrophy -- amelogenesis imperfecta: A rare genetic disorder characterized by degeneration of parts of the eye that absorb light (cone rod dystrophy) as well as teeth abnormalities.
  • Congenital heart disease, ptosis, hypodontia, craniosynostosis: A rare birth syndrome characterized by heart disease, droopy eyelids, missing teeth and premature fusion of skull bones.
  • Contractures -- ectodermal dysplasia -- cleft lip palate: A very rare syndrome characterized by impaired joint mobility at birth, skin problems, cleft lip or palate and growth and psychomotor retardation.
  • Cooperman-Miura syndrome: A rare syndrome characterized by various oral anomalies such as malocclusion, recessed jaw, narrowed breathing airways and irritation of the back of the tongue and uvula. The recessed jaw causes the tongue and uvula to be too close together which leads to irritation.
  • Corpus callosum dysgenesis cleft spasm: A rare condition characterized by the association of abnormal development of the part of the brain called the corpus callosum, cleft lip or palate and spasms. Variable other symptoms may also be present.
  • Corpus callosum, agenesis of, blepharophimosis Robin type: A very rare syndrome characterized by abnormal brain development, various facial anomalies, heart defects and other symptoms.
  • Cough: The noise produced from the sudden expulsion of air from the lungs
  • Cousin Walbrau Cegarra Syndrome:
  • Cranioectodermal dysplasia: A rare condition involving various congenital deformities such as short stature, long head, widely spaced eyes and teeth abnormalities.
  • Craniofacial dysostosis type 1: A rare genetic disorder characterized by premature joining of certain skull bones during development which has an impact on the shape of the head and face. Features include poor vision, hypoplasia of maxilla an impaired hearing.
  • Craniofaciocervical osteoglyphic dysplasia: A very rare syndrome characterized by a short head and face, skeletal anomalies and destruction of tooth sockets.
  • Craniosynostosis arthrogryposis cleft palate: A rare syndrome characterized by the association of craniosynostosis (premature fusion of skull bones), cleft palate and arthrogryposis.
  • Craniosynostosis cleft lip palate arthrogryposis: A rare condition characterized mainly by the association of premature fusion of skull bones (craniosynostosis), cleft lip and/or palate and arthrogryposis.
  • Craniosynostosis contractures cleft: A rare condition characterized by the association of premature fusion of skull bones (craniosynostosis), contractures and oral clefting.
  • Craniosynostosis mental retardation clefting syndrome: A rare disorder characterized by premature fusion of the skull bones (craniosynostosis), mental retardation a cleft lip and/or palate.
  • Crouzon Syndrome: A condition which is characterized by craniofacial dysostosis
  • Crumpled helices and small mouth: A very rare condition observed in two sibling and characterized by the association of a small mouth and crumpled ear helices.
  • Cystic hygroma, lethal -- cleft palate: A very rare lethal syndrome characterized mainly by cysts that form in the lymphatic system as well as an opening in the palate (cleft palate).
  • Czeizel syndrome: A rare lethal syndrome characterized by cleft palate, uterus abnormalities and omphalocele (protrusion of abdominal organs such as intestine through the navel).
  • Deafness -- enamel hypoplasia -- nail defects: A very rare syndrome characterized mainly by deafness, tooth enamel abnormalities and nail defects.
  • Deafness -- skeletal dysplasia -- lip granuloma: A very rare syndrome characterized mainly by deafness, skeletal abnormalities, mental retardation and full lips.
  • Deafness oligodontia syndrome: A rare disorder characterized by missing teeth and deafness.
  • Decreased salivary function: xerostomia o rdry mouth
  • Decreased salivation: also known as sialoschesis, is a condition characterised by reduced secretion of saliva by the salivary glands
  • Dens in dente and palatal invaginations: An inherited tooth anomaly where the back of the front teeth are abnormally grooved which increases the risk of tooth decay. Dens in dente is also present which is a developmental tooth abnormality where there appears to be a small tooth at the back of the base of a front tooth. Generally this condition occurs in the top lateral incisors.
  • Dental abscess: Abscess of tooth, gum, or jawbone
  • Dental caries: A destructive process causing decalcification of the tooth enamel leading to cavitation of the tooth
  • Dental conditions: Conditions that affect ones dentition
  • Dental tissue neoplasm: A tumor that develops from tissues inside the mouth that form the teeth. There are a number of types of tumors that can develop from tooth forming tissues: ameloblastoma, Pindorg tumor, cementoblastoma and many others. The tumor may be benign or malignant but can cause dental problems even if it is benign.
  • Dentatorubral pallidoluysian disorder: Pain occurring along the root of the cranial nerves
  • Dentin Dysplasia, Shields Type II: A rare inherited disorder characterized by opalescent primary teeth and abnormal secondary teeth which appear normal.
  • Dentin Dysplasia, Type 2: A rare inherited disorder characterized by opalescent primary teeth and abnormal secondary teeth which appear normal.
  • Dentin dysplasia: A genetic condition characterized by abnormal dentin in primary and/or secondary teeth. Dentin is the calcified structure directly under the outer tooth enamel but surrounding the inner tooth pulp. There are three subtypes of the condition with variable symptoms.
  • Dentin dysplasia -- sclerotic bones: A rare inherited disorder characterized by teeth and bone abnormalities.
  • Dentin dysplasia, coronal: A rare inherited disorder characterized by opalescent primary teeth and abnormal secondary teeth which appear normal.
  • Dentin dysplasia, radicular: A rare inherited disorder characterized by abnormal dentin formation which results in abnormal tooth roots and pulp chambers.
  • Dentinogenesis: A medical term for the formation of dentin which is the main component of teeth. Abnormal dentinogenesis e.g. dentinogenesis imperfecta can result in various tooth abnormalities.
  • Dentinogenesis Imperfecta Type III: A rare inherited dental disorder where the tops of primary and secondary teeth quickly erode leaving the inside of the tooth exposed.
  • Dentinogenesis imperfect type Brandwine:
  • Dentinogenesis imperfect, type 1:
  • Dentinogenesis imperfect, type II:
  • Dentinogenesis imperfecta -- short stature -- hearing loss -- mental retardation: A rare syndrome characterized by teeth anomalies (dentinogenesis imperfecta), short stature, hearing loss and mental retardation.
  • Dentinogenesis imperfecta type Brandywine: A rare inherited dental disorder where the tops of primary and secondary teeth quickly erode leaving the inside of the tooth exposed.
  • Dentinogenesis imperfecta, type I: A rare inherited condition which occurs in people suffering from osteogenesis imperfecta (brittle bone disease) and is characterized by tooth structure abnormalities.
  • Dentinogenesis imperfecta, type II: A rare inherited dental disorder where the tops of primary and secondary teeth quickly erode leaving the inside of the tooth exposed.
  • Dermatocardioskeletal syndrome, Boronne type: A very rare syndrome characterized mainly by thick skin, thick gums, acne, short fingers and a heart defect.
  • Dermatoosteolysis, Kirghizian type: A rare condition characterized by a variety of abnormalities including missing teeth, recurring skin ulceration, eye problems and nail symptoms.
  • Dermatostomatitis, Stevens Johnson type: A rare but serious condition involving inflammation and blistering of the skin and mucous membranes. It is believed to be an allergic reaction that can occur in response to some drugs or infectious diseases.
  • Dermo-odontodysplasia: A very rare syndrome characterized mainly by tooth, skin, hair and nail abnormalities.
  • Devriendt syndrome: A rare syndrome characterized mainly by Robin sequence, short stature and seizures.
  • Dextrocardia -- microphthalmia -- cleft palate -- intellectual deficit: A rare disorder characterized by small eyes, cleft palate, impaired intelligence and a heart anomaly where the heart is abnormally situated in the right side of the body (dextrocardia).
  • Die-Smulders-Vles-Fryns syndrome: A very rare disorder characterized by facial anomalies, long thin fingers and mental retardation.
  • Dincsoy-Salih-Patel syndrome: A very rare syndrome characterized mainly by a cleft lip and palate, brain abnormality, short limbs and genital abnormalities.
  • Dionisi-Vici-Sabetta-Gambarara syndrome: A very rare syndrome characterized mainly by brain abnormality, cataract and immunodeficiency.
  • Diprosopia: A very rare syndrome characterized by various facial anomalies, anencephaly and cleft lip and palate.
  • Dislocated jaw: Improper separation of the jaw bones
  • Dobrow syndrome: A very rare syndrome characterized mainly by abnormal webbing inside the mouth, short stature, eye problems, mental retardation and small head, jaw, eyes and mouth.
  • Dominant cleft palate: An opening in the roof of the mouth that is inherited as a dominant trait (only one parent has to have the genetic defect for it to be passed on to offspring). The opening may be covered by skin or completely open. The size of the opening can affect the severity of symptoms.
  • Double Upper and Lower Lip -- Hypertelorism -- Ptosis -- Blepharophimosis -- clinodactyly: A very rare syndrome characterized y double lip involving the upper and lower lip, wide set eyes, droopy eyelids, blepharophimosis and abnormally curved fifth fingers.
  • Down Syndrome: A chromosome syndrome causing physical effects and mental retardation.
  • Dry mouth: A condition characterized by the sensation of a dry mouth
  • Dry socket: Exposure of jaw bone after a tooth extraction
  • Dubreuil-Chambardel syndrome: Tooth decay that occurs in the front teeth and usually other teeth are also involved eventually. Usually only the upper teeth are affected.
  • Dysgnathia complex: A very rare disorder characterized by a small or absent jaw, ear abnormalities and a small mouth and tongue. The severity and range of symptoms is variable.
  • Dyskeratosis congenita of Zinsser-Cole-Engman: An inherited condition characterized by recurring painful mouth ulcers, skin pigmentation and nail abnormalities.
  • Dysmorphism -- cleft palate -- loose skin: A very rare syndrome characterized mainly by facial abnormalities, an opening in the roof of the mouth and loose skin.
  • Dysraphism -- cleft lip palate -- limb reduction defects: A very rare syndrome characterized mainly by an abnormal opening in the lip and palate, forearm abnormalities, spinal cord defects and an abnormal abdominal opening allowing the abdominal contents to protrude.
  • ECP syndrome: A rare malformation syndrome characterized by a cleft palate and missing fingers.
  • EEC syndrome: A rare genetic disorder characterized by absence of fingers and toes, ectodermal dysplasia and cleft lip or cleft palate.
  • EEC syndrome without cleft lip/palate: A rare syndrome characterized mainly by hand, foot deformities as well as hair, skin, nail and tooth abnormalities (ectodermal dysplasia).
  • Ectodermal dysplasia: A group of rare inherited conditions which affect the ectodermal skin layer which includes the skin, hair, teeth and nails.
  • Ectodermal dysplasia -- arthrogryposis -- diabetes mellitus: A rare syndrome characterized by diabetes, short stature and tooth, hair and nail abnormalities.
  • Ectodermal dysplasia anhidrotic: A rare inherited condition involving skin, hair, teeth and nail abnormalities. The condition is characterized by the absence of sweat and sebaceous glands, underdeveloped hair and teeth, characteristic face and other physical deformities.
  • Ectodermal dysplasia mental retardation syndactyly: A rare syndrome characterized by mental retardation, webbed fingers and hair, nail and teeth abnormalities.
  • Ectodermal dysplasia with natal teeth, Turnpenny type: A rare syndrome characterized mainly by missing teeth, sparse hair and dark velvety skin patches called acanthosis nigricans. The skin patches usually disappears during the second decade and may reoccur during pregnancy.
  • Ectodermal dysplasia, Berlin type: A rare syndrome characterized mainly by the absence of many or all teeth, a lack of hair, mental retardation and skin abnormalities.
  • Ectodermal dysplasia, Margarita type: A rare genetic disorder characterized by mental retardation, webbed digits, cleft lip, cleft palate, sparse hair, reduced sweating and teeth abnormalities. Progressive loss of scalp hair usually results in baldness by adulthood.
  • Ectodermal dysplasia, anhidrotic with T-cell immunodeficiency, autosomal dominant: An inherited disorder characterized by dry, rough skin, sparse scalp hair, cone-shaped teeth and an immune system disorder.
  • Ectodermal dysplasia, hypohidrotic, autosomal dominant: A very rare inherited disorder that affects the development of skin, hair, nails, teeth and sweat glands during the fetal stage.
  • Ectodermal dysplasia, hypohidrotic, autosomal recessive: A rare genetic multisystem disorder characterized by hair, teeth, nail and skin abnormalities and absence of certain sweat glands.
  • Ectodermal dysplasia, hypohidrotic, with immune deficiency: A rare genetic disorder characterized inability to sweat, immune system problems and hair and teeth abnormalities.
  • Ectodermic dysplasia -- anhidrotic -- cleft lip:
  • Ectrodactyly -- Ectodermal Dysplasia -- Cleft Lip/Palate Syndrome, Type 1: EEC (Ectrodactyly, ectodermal dysplasia, cleft lip/palate) is a rare inherited condition characterized by split hand and foot deformities of variable severity, cleft lip or palate and teeth and hair anomalies. There are two main types of EEC which differ in the origin of the genetic defect. Type 1 is caused by a defect on chromosome 7q11. The severity and type of symptoms and deformities is highly variable.
  • Ectrodactyly -- Ectodermal Dysplasia -- Cleft Lip/Palate Syndrome, Type 3: EEC (Ectrodactyly, ectodermal dysplasia, cleft lip/palate) is a rare inherited condition characterized by split hand and foot deformities of variable severity, cleft lip or palate and teeth and hair anomalies. There are two main types of EEC which differ in the origin of the genetic defect. Type 3 is caused by a defect on chromosome 3q27. The severity and type of symptoms and deformities is highly variable.
  • Ectrodactyly and Ectodermal Dysplasia without Cleft Lip/Palate: A rare inherited syndrome characterized by the EEC syndrome without and oral clefting. The EED syndrome involves a hand deformity (ectrodactyly) and abnormalities of the hair, eyes and skin. The severity of the deformities is variable.
  • Ectrodactyly cleft palate syndrome: A rare malformation syndrome characterized by a cleft palate and missing fingers.
  • Ectrodactyly-ectodermal dysplasia-cleft lip/cleft palate: A rare inherited condition characterized by abnormalities of the fingers, toes, hair, glands, eyes anr urinary tract.
  • Edentulism: Without teeth
  • Edward Syndrome: A rare genetic chromosomal syndrome where the child has an extra third copy of chromosome 18. Most fetuses are aborted before term, but a live birth with this condition occurs with a frequency around 1-in-3000. Duplication 18 syndrome is more severe than the more common Down syndrome. Duplication 18 syndrome causes mental retardation and numerous physical defects that often cause an early infant death. The condition has variable severity depending on how many of the body's cells have the extra chromosome and how much of the extra chromosome is duplicated. In severe forms all cells have an extra copy of the complete chromosome 18 whereas milder forms may have only some cells having the extra chromosome. Other mild forms may have an extra copy of only part of chromosome 18 in some or all of the body cells.
  • Edwards Syndrome: A rare inherited genetic disorder where a portion of chromosome 18 is duplicated. Most affected individuals die during the fetal stage and surviving infants have serious defects and tend to live for only a short while.
  • Ehlers-Danlos syndrome type VIII: A rare genetic connective tissue disorder characterized by lax joints, hyperextensible skin and mild connective tissue fragility - a mild form of the condition.
  • Ehlers-Danlos, syndrome, periodontitis type: A rare genetic connective tissue disorder characterized by lax joints, hyperextensible skin and mild connective tissue fragility - a mild form of the condition.
  • Ellis-van Creveld syndrome:
  • Engelhard-Yatziv syndrome: A rare syndrome characterized mainly by droopy eyelids, small head and finger and toe abnormalities.
  • Epithelial-myoepithelial carcinoma: A rare slow-growing type of cancer that occurs in the salivary duct - usually the parotid gland. The cancer tends to occur in older patients. The cancer tends to reoccur readily and can metastasize.
  • Erythroplakia: A red patch in the mouth that is not attributable to any other condition.
  • Escobar syndrome, type B: A rare genetic disorder characterized by a pursed mouth, creased tongue, eye anomalies and a curved spine.
  • Facial paresis, hereditary, congenital: A rare inherited birth disorder characterized by the dysfunction of a facial nerve (VIIth cranial nerve). The facial weakness may occur on one or both sides of the face.
  • Faciocardiomelic dysplasia, lethal: A very rare lethal syndrome characterized by facial, heart and skeletal abnormalities.
  • Familial Treacher Collins syndrome: Treacher Collins syndrome is a rare inherited disorder characterized by down-slanting eye slits, malformed external ear, abnormal lower eyelid and underdeveloped cheeks. In the familial form, the condition tends to occur in a number of people within a family. The severity of the condition is variable.
  • Femoral facial syndrome: A rare genetic disorder characterized by underdeveloped femur, short nose and cleft palate.
  • Fernhoff-Blackston-Oakley syndrome: A very rare syndrome characterized mainly by retarded fetal growth and jaw anomaly as well as various other abnormalities.
  • Fetor hepaticus: Faecal breath due to mercaptans which pass directly into the lung.
  • Fibrochondrogenesis: A rare genetic disorder characterized by short stature, abnormal bone formation and stillbirth or neonatal death.
  • Fibromatosis gingival -- hypertrichosis: A rare disorder characterized by excessive growth of body hair and enlarged gums.
  • Fibromatosis, gingival 3: A rare genetic disorder characterized by enlarged gum tissue. The severity of the condition is variable. The chromosome involved is 2p23.3-p22.3.
  • Fissured tongue: A rare inherited disorder where the tongue has deep grooves which can vary in size and depth.
  • Florid cemento-osseous dysplasia: An inherited abnormality of the jaw which results in radiopaque masses on the jaw which can cause dental problems such as malpositioned teeth. The condition progresses slowly.
  • Fluorosis: Excessive fluoride in the body
  • Focal dermal hypoplasia: A rare genetic disorder characterized by bone, skin, teeth and pigmentation abnormalities as well as asymmetry of the face, trunk and extremities.
  • Focal ectodermal dysplasia:
  • Foix-Chavany-Marie syndrome: A rare condition causes weakness or mild paralysis of certain face and jaw muscles. The condition usually occurs when the blood supply to certain parts of the brain are interrupted eg blood clot.
  • Foramina parietalia permagna: A rare disorder involving abnormal bone development of the skull resulting in persistent wide fontanelles (cranium bifidum) as well as a scalp defect and other abnormalities.
  • Franceschini-Vardeu-Guala syndrome: A very rare disorder characterized by premature puberty, lower lip pits and Kabuki syndrome. Kabuki syndrome is a mental retardation syndrome which also involves a range of physical abnormalities.
  • Franke triad: A term used to describe the association of palate abnormalities, deviated nasal septum and enlarged adenoids.
  • Fronto-facio-nasal dysplasia: A very rare disorder involving skull and facial abnormalities.
  • Frontofacionasal dysplasia type Al gazali: A very rare disorder involving various serious facial abnormalities.
  • Frontometaphyseal dysplasia: A rare genetic disorder characterized by craniofacial abnormalities, skeletal abnormalities, hearing problems and wasting of arm and leg muscles.
  • Fryns Syndrome: A rare genetic disorder characterized by diaphragmatic abnormalities, coarse face and abnormal growth or development of ends of fingers and toes.
  • Fukuda-Miyanomae-Nakata syndrome: A rare syndrome characterized mainly tooth, bone and nail abnormalities as well as anal and urethral anomalies.
  • Furlong-Kurczynski-Hennessy syndrome: A very rare syndrome characterized by the association of premature fusion of skull bones with Marfanoid features. The disorder arises from abnormal connective tissue.
  • Fused mandibular incisors: A rare tooth defect where the primary incisors (front teeth) of the lower jaw are fused.
  • GAPO syndrome: A rare condition characterized by retarded growth, alopecia, otpic atrophy and failure of teeth to erupt.
  • Gamborg nielsen syndrome: A rare genetic disorder characterized by hair, tooth and nail disorders.
  • Gastresophageal reflux-related chronic cough: Gastroesophageal reflux (GER)-related chronic cough is the second most common cause of chronic cough and is defined as a cough that improves or is eliminated with GER-specific therapy.
  • Genee-Wiedemann syndrome:
  • Geniospasm: Periods of involuntary chin and lower lip tremors.
  • Geographic Tongue: A form of tongue inflammation where smooth, migrating patches form on the tongue.
  • Ghost Teeth: A rare condition involving abnormal tooth development which tends to affect the upper teeth more than the lower teeth and usually only teeth on one side of the mouth are affected.
  • Gingival fibromatosis -- facial dysmorphism: A rare syndrome characterized by the association of thickened gums with unusual facial appearance.
  • Gingival fibromatosis and dental abnormalities: A rare syndrome characterized by fibromatosis of the gums and dental abnormalities.
  • Gingival fibromatosis and growth hormone deficiency: A rare syndrome characterized mainly by fibrosis of the gums and a growth hormone deficiency.
  • Gingival fibromatosis, dominant: Dominantly inherited thickened gums.
  • Gingival fibromatosis, unusual facies, cafe-au-lait pigmentation and congenital skin telangiectases: A rare syndrome characterized mainly by unusual facial appearance, thickened gums and pigmentation anomalies.
  • Gingival fibrosis: Replacement of normal gum tissue with fibrous tissue.
  • Gingivitis: Inflammation of the gums
  • Gingivostomatitis: Mouth infection typically from first exposure to cold sores and subsequent viral HSV-1 infection.
  • Glossitis: Inflammation of the tongue
  • Glossodynia: A rare condition where there is a burning sensation in the mouth and tongue.
  • Glossopalatine Ankylosis -- Hypoglossia: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type III B involves mainly an abnormal band of tissue connecting the tongue to the hard palate or upper alveolar ridge. The tongue is also absent or underdeveloped.
  • Glossopalatine Ankylosis -- Hypoglossia -- Hypodactylia: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type III C involves mainly an abnormal band of tissue connecting the tongue to the hard palate or upper alveolar ridge. Other primary features include and absent or underdeveloped tongue as well as variable deficiencies of the digits.
  • Glossopalatine Ankylosis -- Hypoglossia -- Hypodactylomelia: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type III E involves mainly an abnormal band of tissue connecting the tongue to the hard palate or upper alveolar ridge. Other primary features include and absent or underdeveloped tongue as well as variable deficiencies of the limbs and digits.
  • Glossopalatine Ankylosis -- Hypoglossia -- Hypomelia: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type III D involves mainly an abnormal band of tissue connecting the tongue to the hard palate or upper alveolar ridge. Other primary features include and absent or underdeveloped tongue as well as variable deficiencies of the limbs.
  • Glossopalatine ankylosis -- micrognathia -- ear anomalies: A very rare syndrome characterized mainly by a small jaw, ear abnormalities and abnormal attachment of back of tongue (glossopalatine ankylosis).
  • Glossopharyngeal neuralgia: A condition which is characterized by sever pain that originates on the side of the throat and extends to the ear
  • Gnathodiaphyseal dysplasia: A rare genetic disorder affecting the skeleton and characterized by fragile bones, bowed long bones and recurring infections of the jaw bone.
  • Goldenhar disease: A rare disorder characterized by numerous, often asymmetric, defects involving the face, ear, mouth and vertebrae.
  • Grix-Blankenship-Peterson syndrome: A very rare syndrome characterized mainly by mental retardation, bone defects and head and face abnormalities.
  • Grob syndrome: A rare disorder characterized by a partial lack of hair, epicanthus, cleft lip and palate, mental deficiency, short fingers and various other anomalies.
  • Growth and mental retardation, mandibulofacial dysostosis, microcephaly, and cleft palate: A rare syndrome characterized mainly by mental retardation, retarded growth, small head, cleft palate and facial abnormalities.
  • Growth delay -- mental retardation -- mandibulofacial dysostosis -- microcephaly -- cleft palate: A rare syndrome characterized by delayed growth, mental retardation, small head, cleft palate and facial and jaw anomaly.
  • Gum abnormalities: The most common problem of gum abnormalities is bleeding.
  • Gum cancer: The gum is the soft tissue surrounding the base of the teeth, any malignant proliferation of cells of the gums is called gum cancer.
  • Gum disease: Dental condition affecting the gums.
  • Gum disorder: Any condition which affects the gums
  • Gum disorders: Any disorder the affects the gums of the human mouth
  • Gurrieri-Sammito-Bellussi syndrome: A rare syndrome characterized by epilepsy, short stature and skeletal abnormalities.
  • Habit cough: Habit or nervous cough is a throat-clearing noise made by a person who is nervous and self-conscious. There are patients with a chronic dry cough (longer than 4 months) that seems to defy all explanation and resist all the usual standard treatments (cough and cold remedies for children). A habit cough is a cough that occasionally develops in children after a cold or other airway irritants
  • Haim-Munk syndrome: A rare inherited disorder involving red, thickened patches of skin on the palms and soles, skin infections and nail and teeth abnormalities.
  • Hairy tongue: Discoloration and hairy appearance of the tongue often due to factors such as poor oral hygiene and use of antibiotics.
  • Hajdu-Cheney Syndrome: A rare genetic disorder characterized by early tooth loss, relaxed joints, small stature and bone abnormalities.
  • Halal Setton Wang syndrome: A very rare syndrome characterized mainly by eye, teeth, nail and skin abnormalities.
  • Halal syndrome: A very rare syndrome characterized mainly by a small head and a cleft palate.
  • Halitosis: Bad breath
  • Hallermann-Streiff Syndrome: A condition which affects stature, head shape and hair growth
  • Hand, Foot, & Mouth Disease: Common contagious viral infant or child condition
  • Hand-Foot-Mouth Syndrome: An infectious viral disease caused by the coxsackievirus A. The disease is characterized by the development of blisters in the mouth and on hands and feet. The disease is spread by contact with body fluids from an infected person and the incubation period is 3 - 7 days. The infection is most common in children under the age of ten but can occur in teenagers and sometimes in adults.
  • Hanhart Syndrome: An autosomal recessive disorder due to a deficiency in the body of the tyrosine amino transferase enzyme.
  • Hanhart syndrome type I: A rare genetic disorder characterized by retarded growth, impaired libido, distinctive facial features, delayed puberty and excess fatty deposits in breast and abdominal area.
  • Hanhart syndrome type II: A rare genetic disorder characterized by retarded growth, distinctive facial features, delayed puberty, excess fatty deposits in breast and abdominal area, small jaw , small tongue, hand and foot deformities and missing teeth.
  • Hanhart syndrome type III: A rare genetic disorder characterized by hand and foot deformities, small jaw, small tongue, mental retardation and a cleft palate.
  • Hanhart syndrome type IV: A rare disorder where a genetic error of amino acid metabolism results in thickened skin on palms and soles, skin lumps, mental retardation and finger, toe, eye, hair and teeth abnormalities.
  • Hardikar syndrome: A very rare disorder characterized by obstructive liver disease, cleft lip, cleft palate, eye and urogenital abnormalities.
  • Hay-Wells Syndrome: A rare genetic disorder characterized by ankyloblepharon, ectodermal dysplasia, and cleft lip and/or cleft palate.
  • Hay-Wells syndrome, recessive type: A rare recessively inherited genetic disorder characterized by ankyloblepharon, ectodermal dysplasia, and cleft lip and/or cleft palate. The recessive form of this condition is distinguished by the presence at birth of adhesions between the upper and lower jaws.
  • Head Conditions: Conditions that affect the head
  • Heart defect, tongue hamartoma and polysyndactyly: A very rare syndrome characterized mainly by webbed fingers, congenital heart defects and tongue tumors.
  • Hecht syndrome: A rare genetic disorder characterized by the inability to open the mouth due to short muscles as well as hand movement abnormalities also due to shortened muscles.
  • Heerfordt syndrome: A disorder sometimes associated with sarcoidosis and characterized by inflammation of the uvea of the eye, enlarged salivary gland, fever and facial paralysis.
  • Hemifacial microsomia macrodactyly: A rare syndrome characterized by enlargement of some fingers as well as the underdevelopment of the lower half of one side of the face.
  • Henkin syndrome: A rare disorder characterized by impaired senses of taste and smell.
  • Herpangina: A condition which is infective and caused by the coxsackie virus
  • Herpes stomatitis: Mouth infection with ulcers/blisters due to the herpes virus
  • Hiccups: Noise and diaphragm muscle contractions (properly called "hiccoughs")
  • Hiccups, intractable: Persistent, difficult to treat hiccups that can continue for days or weeks.
  • Hirschsprung -- microcephaly -- cleft palate: A rare disorder characterized by the association of Hirschsprung megacolon, a small head and a cleft palate.
  • Ho Kaufman-Mcalister syndrome: A rare congenital disorder characterized by congenital heart disease, skeletal abnormalities and a cleft palate.
  • Holoprosencephaly -- ectrodactyly -- cleft lip/palate: A very rare syndrome characterized mainly by a cleft hand, lip and/or palate and the failure of the brain to separate into two lobes.
  • Holzgreve-Wagner-Rehder syndrome: A rare genetic disorder characterized by extra fingers, cleft palate, heart abnormalities, growth retardation and various other anomalies.
  • Hunter glossitis: A tongue disorder frequently associated with pernicious anemia.
  • Hunter-McAlpine syndrome: A very rare dominantly inherited syndrome characterized mainly by premature fusion of skull bones, mental retardation, small mouth, short stature and finger and toe anomalies.
  • Hurst-Hallam-Hockey syndrome: A group of malformation described in a stillborn infant. Defects include leptomeningeal angiomatosis (abnormal blood vessels in sheath surrounding brain and spinal cord), heart disease, cleft lip and palate and brain abnormalities.
  • Hutchinson incisors: Abnormally shaped permanent front teeth (incisors). The defect is usually associated with congenital syphilis.
  • Hyalinosis, infantile systemic: A rare genetic disorder involving abnormal deposits of hyaline throughout various body tissues. Manifestations include progressive joint contractures, skin abnormalities and pain.
  • Hydrolethalus syndrome: A rare genetic disorder characterized by hydrocephalus, micrognathia and polydactyly.
  • Hypercementosis: A tooth disorder where excess cementum (bony covering of tooth root) is deposited on the roots of teeth. One or more teeth may be affected. Causes of excess cementum deposit include localized inflammation and certain metabolic disorders.
  • Hypersalivation in children: Hypersalivation in children refers to excessive salivation in a child.
  • Hypertrophic branchial myopathy: Enlarged chewing muscles.
  • Hypodontia -- nail dysgenesis: A syndrome that is characterized by the occurrence of nail dysplasia and tooth abnormalities. Primary teeth are usually normal but some secondary teeth may be missing. The toenails tend to be more affected than the fingernails.
  • Hypodontia and Dupuytren contracture: A rare syndrome characterized by missing teeth and Dupuytren contracture which is a hand condition where fingers bend in towards the hand and are unable to be fully straightened.
  • Hypodontia dysplasia of nails: A syndrome that is characterised by the occurrence of nail dysplasia and tooth abnormalities. Primary teeth are usually normal but some secondary teeth may be missing. The toenails tend to be more affected than the fingernails.
  • Hypodontia of incisors and premolars: The congenital absence of certain teeth - incisors and premolars.
  • Hypodontia, X-linked: A genetic, X-linked condition characterized by the congenital absence of teeth. The number of teeth absent is variable.
  • Hypoglossia: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type I A is characterized by an underdeveloped tongue.
  • Hypoglossia -- Hypodactylia: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type II A involves an underdeveloped as well as variable degrees of absence of digits.
  • Hypoglossia -- Hypodactylomelia: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type II C involves an underdeveloped as well as missing digit and limb anomalies.
  • Hypoglossia -- Hypomelia: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type II B involves an underdeveloped as well as limb anomalies.
  • Hypoglossia with Situs Inversus: A very rare birth malformation involving an abnormally small tongue (large portion is missing) and situs inverses which is a medical term for organs which are located on the wrong side of the body - e.g. heart on the right side of the body and liver on the left side of the body.
  • Hypohidrotic Ectodermal Dysplasia: An inherited disorder involving the developmental abnormalities during the fetal stage that can affect the skin, hair, nails, teeth and sweat glands. This form of ectodermal dysplasia is characterized by a reduced ability to sweat due to a lack of sweat glands or dysfunction of present sweat glands.
  • Hypomandibular faciocranial dysostosis: A very rare syndrome characterized mainly by very underdeveloped upper and lower jaw as well as a very small, absent or small tongue.
  • Hypomyelination -- hypogonadotropic hypogonadism -- hypodontia: A rare syndrome characterized by delayed puberty, missing teeth and reduced myelination which causes progressive ataxia.
  • Hypopharyngeal cancer: Cancer of the bottom part of the throat (hypopharynx).
  • Hypopituitarism -- micropenis -- cleft lip palate: A very rare syndrome characterized mainly by low pituitary hormone level, small penis and a cleft lip and palate.
  • Hypotelorism -- cleft palate -- hypospadias: A very rare syndrome characterized mainly by an abnormally placed urethral opening, cleft palate and close set eyes.
  • Hypothyroidism -- cleft palate: A rare syndrome characterized mainly by the association of an abnormal opening in the roof of the mouth and reduced thyroid functioning.
  • Hypothyroidism -- dermoid cyst -- cleft palate: A rare syndrome characterized by primary hypothyroidism, dermoid cyst, cleft palate and other abnormalities.
  • Ichthyosis -- alopecia -- eclabion -- ectropion -- mental retardation: A very rare syndrome characterized mainly by scaly skin, hair loss, mental retardation and outwardly turned eyelids and lips.
  • Iida-Kannari syndrome: A rare congenital disorder characterized by joint contractures, scoliosis, cleft palate, abnormal ears and premature fusion of skull bones.
  • Imaizumi Kuroki syndrome: A very rare syndrome characterized mainly by premature skull fusion and forearm abnormalities.
  • Immune Dysfunction with T-Cell Inactivation due to Calcium Entry Defect 1: A rare condition where a genetic anomaly affects the movement of calcium through the body and results in immune system problems. Defect 1 is linked to a defect in the ORAI1 gene on chromosome 12q24. The condition was reported in two siblings.
  • Immune Dysfunction with T-Cell Inactivation due to Calcium Entry Defect 2: A rare condition where a genetic anomaly affects the movement of calcium through the body and results in immune system problems. Defect 1 is linked to a defect in the STIM1 gene on chromosome 11p15.5 The condition was reported in four siblings.
  • Impacted tooth: Tooth that does not emerge from under the gums
  • Impairment of oral perception: A rare disorder where the mouth lacks the ability to detect sensations which affects oral function.
  • Impossible syndrome: A very rare syndrome (only one reported case) characterized a range of severe malformations, premature birth and stillbirth.
  • Incisors fused: Fused incisor (front) teeth.
  • Infantile dysphagia: Swallowing problems in infants.
  • Intraoral Bands -- Hypoglossia: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type IV B involves mainly an abnormal band of tissue inside the mouth as well as abnormal fusion of structures inside the mouth e.g. the upper and lower gums may be partially fused. The tongue is also absent or underdeveloped.
  • Intraoral Bands -- Hypoglossia -- Hyopmelia: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type IV D involves mainly an abnormal band of tissue inside the mouth as well as abnormal fusion of structures inside the mouth e.g. the upper and lower gums may be partially fused. Other primary features of the condition are an underdeveloped or absent tongue and variable deficiencies of the limbs.
  • Intraoral Bands -- Hypoglossia -- Hypodactylia: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type IV C involves mainly an abnormal band of tissue inside the mouth as well as abnormal fusion of structures inside the mouth e.g. the upper and lower gums may be partially fused. Other primary features of the condition are an underdeveloped or absent tongue and variable deficiencies of the digits.
  • Intraoral Bands -- Hypoglossia -- Hypodactylomelia: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type IV E involves mainly an abnormal band of tissue inside the mouth as well as abnormal fusion of structures inside the mouth e.g. the upper and lower gums may be partially fused. Other primary features of the condition are an underdeveloped or absent tongue and variable deficiencies of the digits and limbs.
  • Intraoral Bands and Fusion: Oromandibular-limb hypogenesis syndrome is characterized by a spectrum of disorders which can be categorized into a number of subtypes. Type IV A involves mainly an abnormal band of tissue inside the mouth as well as abnormal fusion of structures inside the mouth e.g. the upper and lower gums may be partially fused.
  • Isolated Hypoglossia: A birth defect where the tongue is missing or underdeveloped.
  • Jaw Clicking: A clicking sound originating from the jaw when it is opened or closed. The noise can be caused by conditions such as jaw misalignment, problems with the jaw muscle and teeth grinding. It may also be caused by a traumatic injury to the jaw. The problem is relatively common and often there is not much that can be done to treat the problem. It is generally not a problem unless it is associated with such things as facial pain or jaw pain.
  • Jaw conditions: Conditions affecting the temporomandibular joint (the jaw).
  • Jaw joint disorders: Any condition involving the jaw joint.
  • Jaw sprain: Damage to ligaments in the jaw.
  • Johnson-Hall-Krous syndrome: A rare congenital disorder characterized by cataracts, cleft palate, high nose bridge, extra finger and tongue abnormalities.
  • Jones syndrome: A very rare syndrome characterized mainly by progressive hearing loss and gum tumors.
  • Jones-Hersh-Yusk syndrome: A rare congenital disorder characterized by missing toes, cleft palate, blistered skin and absent patches of skin at birth.
  • Jorgenson syndrome: A rare inherited syndrome characterized by hair, teeth and skin abnormalities. The hair may be normal at birth but becomes sparse by the second decade.
  • Juberg-Hayward syndrome: A rare hereditary disorder characterized by a growth hormone deficiency as well as mouth and limb abnormalities.
  • Judge-Misch-Wright syndrome: A very rare syndrome characterized mainly by thickened skin on palms and soles as well as around the mouth.
  • Jussieu syndrome: A rare syndrome characterized mainly by the association of a missing tongue with missing fingers or toes. Other malformations are also variably present.
  • Juvenile hyaline fibromatosis: A rare inherited disease involving tumor-like deposits of a substance called hyaline in body tissues such as skin, gums, joints and bones. Hyalin is a collagen-like substance made by cells in the connective tissue.
  • Kaplan-Plauchu-Fitch syndrome: A very rare syndrome characterized mainly by cone-shaped skull, short stature, deafness and various facial and digital abnormalities.
  • Kaposi's Sarcoma: Kaposi's sarcoma is a cancerous tumor of the connective tissue, and is often associated with AIDS.
  • Kapur-Toriello syndrome: A rare disorder characterized by severe mental retardation, cleft lip, cleft palate, long columella (tissue that separates the nostrils) and eye, heart and intestinal abnormalities.
  • Keratoderma -- epithelioma -- dental abnormalities- hypogonadism: A rare disorder characterized by skin and dental abnormalities as well as hypogonadism.
  • Keratosis focal -- palmoplantar, gingival: A rare syndrome characterized mainly by thickened skin on the soles and palms in areas that are under the most trauma e.g. weight-bearing part of sole. The gums also have thickened growths.
  • Keratosis palmoplantar periodontopathy: A very rare inherited condition characterized by dry scaly patches on the skin of the palms and soles, gum and teeth problems and frequent skin infections.
  • Keratosis palmoplantaris -- periodontopathia -- onychogryposis: A rare syndrome characterized by gum disease, nail and skin problems and various other anomalies.
  • Korula-Wilson-Salomonson syndrome: A very rare disorder characterized mainly by a cleft lip and palate and incomplete closure of the eyelids.
  • Kosztolanyi syndrome: A very rare syndrome characterized mainly by severely retarded development, long thin fingers, mental retardation and skull and facial abnormalities.
  • Koussef nichols syndrome: A very rare syndrome characterized mainly by muscle problems, a high body temperature and various other physical abnormalities.
  • Kurczynski-Casperson syndrome: A very rare syndrome characterized mainly by premature fusion of skull bones, abnormal ears and webbing of the last two toes.
  • Kuster syndrome: A very rare congenital disorder characterized by a cleft lip, cleft palate, lip pits, and deformed limbs.
  • LADD Syndrome: A very rare genetic disorder characterized by ear, teeth and tear duct abnormalities.
  • Laband Syndrome:
  • Lacrimoauriculodentodigital syndrome: A rare genetic disorder characterized by ear, teeth and tear duct abnormalities.
  • Larsen syndrome: A rare genetic disorder characterized by multiple joint dislocation, a flat face and short fingernails.
  • Larsen syndrome, dominant type: A congenital, genetic disorder characterized by many abnormalities including joint dislocations, bone abnormalities and an unusual dish-shaped face. The dominant form tends to have less severe dwarfism and more severe flattening of the face and is less likely to include webbed fingers, cleft palate and genital anomalies than the recessive form.
  • Larsen syndrome, recessive type: A congenital, genetic disorder characterized by many abnormalities including joint dislocations, bone abnormalities and an unusual face.
  • Larsen-like syndrome, lethal form: A very rare lethal syndrome characterized mainly by joint dislocations and breathing problems due to respiratory system abnormalities. The condition is a manifestation of abnormal collagen formation.
  • Larsen-like syndrome, lethal type: A very rare lethal syndrome characterized mainly by joint dislocations and breathing problems due to respiratory system abnormalities.
  • Laugier-Hunziker syndrome: A rare skin abnormality involving flat pigmentated patches of skin on the lips and inside mouth as well as black streaky lines on the nails.
  • Leukodystrophy with oligodontia: A very rare syndrome characterized mainly by missing teeth and progressive ataxia.
  • Leukomelanoderma -- Infantalism -- Mental Retardation -- Hypodontia -- Hypotrichosis: A rare syndrome characterized by poor growth, mental retardation and hair, tooth and skin anomalies.
  • Leukoplakia, Hairy: Irregular white patches on the tongue or inside the mouth that tend to occur mainly in HIV patients but may also occur in immunocompromised patients. The white patches appear hairy or corrugated due to protrusions on the surface. The lesions may be mistaken for oral thrush but can be differentiated by the fact that oral thrush lesions can be moves or scraped off whereas hair leukoplakia lesions can't. The pathogen is believed to be the Epstein-Barr virus.
  • Levic-Stefanovic-Nikolic syndrome: A very rare inherited syndrome characterized mainly by mental retardation, ophthalmoplegia and a fissured tongue.
  • Limb deficiencies distal micrognathia: A rare genetic disorder characterized by a small jaw, small mouth and defects involving the hands and feet.
  • Lip and oral cavity cancer: Cancer of the lip or inside the mouth.
  • Lip cancer: It is the main type of oral cancer. Cancer involving the lips
  • Loeys-Dietz syndrome: A very rare syndrome characterized mainly by a bulge in the aorta (aneurysm), wide set eyes, cleft palate, divided uvula and twisted arteries.
  • Long thumb brachydactyly, maxillary hypoplasia, mental retardation and unusual facies: A rare syndrome characterized by short stature, short digits, underdeveloped upper jaw, mental retardation and an unusual facial appearance.
  • Lop ears, Micrognathia and Conductive Hearing Loss: A very rare condition (described in only a few families) characterized by a small jaw, conductive hearing loss and abnormal ears.
  • Lowry syndrome: A rare disorder characterized by the premature fusion of skull bones, absent or defective lower leg bone (fibula) and various other abnormalities.
  • Lubarsch-Pick syndrome: A rare disorder involving abnormal amyloid deposits in various parts of the body - heart, skin, muscles, stomach and intestines.
  • Lymphoedema -- cleft palate: A rare inherited condition characterized by the association of a cleft palate and tissue swelling (mainly involving the legs) occurs because of blockage of lymph drainage system.
  • Macroglossia: Abnormally large tongue.
  • Macrosomia with lethal microphthalmia: A very rare syndrome characterized mainly by very small eyes and a large body size at birth.
  • Madokoro-Ohdo-Sonoda syndrome: A rare disorder characterized by the absence of all four limbs, an unusual face and retarded development.
  • Major Ulcerative Stomatitis: A mouth condition characterized by large recurring mouth ulcers which can be very painful. There may be one or more ulcers and they can occur on the cheek, tongue, lips or base of gums. The ulcers tend to be 1cm in diameter or larger.
  • Malocclusion -- short stature syndrome: A rare inherited disorder characterized by an open bite, short stature and a triangular face.
  • Mandibuloacral dysplasia: A very rare syndrome characterized mainly by a prematurely aged appearance and bone abnormalities. There are two subtypes with type B involving loss of fat layers under the skin mainly in the extremities, face and trunk whereas type A involves mainly the extremities. The severity of the symptoms is variable.
  • Mandibulofacial dysostosis, Treacher Collins type, autosomal recessive: A rare, recessively inherited disorder characterized mainly by eye, face, mouth, ear and skull abnormalities.
  • Marcus-Gunn phenomenon: A congenital condition where the eyelids droop but rise up when the mouth is opened.
  • Maxillary double lip: A rare defect where the upper lip is duplicated and is noticeable when smiling.
  • Maxillo-nasal dysostosis: A rare disorder that may be inherited in some cases and is characterized by a distinctive face.
  • Maxillofacial dysostosis: A rare inherited disorder characterized by jaw, ear and eye abnormalities as well as speech problems.
  • Maxillonasal dysplasia, Binder type: A rare disorder that may be inherited in some cases and is characterized by a distinctive face.
  • Median cleft lip, corpus callosum, lipoma, and skin polyps: A very rare syndrome characterized mainly by a cleft lip, lipoma, skin polyps and abnormal brain development.
  • Median cleft, corpus callosum, lipoma, and cutaneous polyps:
  • Median nodule of the upper lip: A very rare syndrome characterized mainly by the presence of a nodule on the upper lip.
  • Medullary sponge kidney and anodontia of permanent dentition: A rare inherited disorder involving missing permanent teeth and a kidney abnormality where the tubes in the kidneys that collect urine are wider than normal (medullary sponge kidney). The kidney condition may
  • Melkersson-Rosenthal Syndrome: A rare inherited neurological disorder involving episodes of facial paralysis and swelling.
  • Mental retardation, X-linked with brachydactyly and macroglossia: A syndromic form of mental retardation which also involves short digits and an enlarged tongue. The disorder is inherited in a X-linked manner which means that only males display the full range of symptoms whereas female carriers may have mild or no symptoms.
  • Metaphyseal dysplasia -- maxillary hypoplasia -- brachydactyly: A very rare syndrome characterized mainly by short fingers, underdeveloped upper jaw and bone abnormalities involving the cone-shaped portion near the end of the bones where growth occurs.
  • Mickulicz disease: A rare condition involving enlargement of the salivary and tear-producing glands which results from any of a number of diseases such as leukemia, syphilis and tuberculosis. If the enlargement occurs on its own and not as a result of another condition, it is called Mickulicz disease.
  • Microbrachycephaly -- ptosis -- cleft lip: A very rare syndrome characterized mainly by a small, short head, droopy eyelids and a cleft lip.
  • Microcephaly -- facial clefting -- preaxial polydactyly: A very rare condition characterized by the presence of an abnormally small head, facial clefts and extra digits.
  • Microcephaly -- microphthalmia -- ectrodactyly of lower limbs -- prognathism: A rare syndrome characterized by small eyes, small head, missing toes and a protrucing jaw.
  • Microcephaly, corpus callosum dysgenesis and cleft lip-palate: A rare disorder characterized by a small head, abnormal brain development and a cleft lip and palate.
  • Microdontia -- hypodontia -- short stature: A rare disorder characterized by small teeth, missing teeth and short stature, strabismus and borderline mental deficiency.
  • Microdontia -- type I microtia -- deafness: A rare syndrome characterized mainly by small dears, small teeth and deafness.
  • Microdontia as seen in Down's syndrome: Down's syndrome or trisomy 21 is characterised by mental retardation, oblique eye fissures with epicanthic skin folds on the inner corner of the eyes, muscle hypotonia, a flat nasal bridge, microdontia, a single palmar fold, a protruding tongue, a short neck, white spots on the iris known as Brushfield spots,excessive joint laxity including atlanto-axial instability and congenital heart defects
  • Micrognathia with Peromelia: A rare syndrome characterized mainly by the association of a missing tongue with missing fingers or toes. Peromelia is a medical term for the congenital defect involving missing or malformed hands and/or feet. Other malformations are also variably present.
  • Microsomia -- hemifacial -- radial defects: A very rare syndrome characterized mainly by a wide range of defects involving the face, ear, mouth, vertebrae and radial bones.
  • Microtia, meatal atresia and conductive deafness: A rare disorder characterized by very small right ear and conductive deafness. Muscle paralysis on the right side of the soft palate may also be present.
  • Midline cleft of lower lip: A very rare defect where there is a cleft in the middle of the lower lip.
  • Mikulicz syndrome: A rare condition involving enlargement of the salivary and tear-producing glands which results from any of a number of diseases such as leukemia, syphilis and tuberculosis. If the enlargement occurs on its own and not as a result of another condition, it is called Mikulicz disease.
  • Mikulicz's Disease: A rare condition involving enlargement of the salivary and tear-producing glands. If the enlargement as a result of another condition, it is called Mikulicz syndrome.
  • Miller Syndrome: A syndrome which is characterized by extensive facial and limb defects
  • Milner-Khallouf-Gibson syndrome: A rare recessively inherited genetic disorder characterized by a variety of symptoms which are typical of a condition called Fanconi's anemia.
  • Mohr syndrome: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger abnormalities.
  • Molarization of anterior teeth deafness: A very rare condition characterized by the association of deafness with molarization of the anterior teeth.
  • Mouth cancer: Any cancer that occurs in the mouth
  • Mouth lesions: A condition which is characterized by lesions located in the mouth
  • Mouth lump: Lump or swelling in an area of the mouth.
  • Mouth pain: Pain or burning of the mouth
  • Mouth psoriasis: Psoriasis is a chronic skin condition characterized by scaling and inflammation of the skin which can occur on virtually any part of the body. Psoriasis can occur on the mucous membranes of the mouth but it is not as common as occurrence on the skin. Lesions in the mouth are usually accompanied by lesions on other parts of the body.
  • Mouth ulcers: Ulcers in the mouth membranes or oral areas
  • Moynahan syndrome III: A rare syndrome characterized mainly by short stature, defective tooth enamel, clubfoot, skin problems and a variety of other anomalies. Blisters tend to occur during the warmer months of the year.
  • Mucoepithelial dysplasia, Witkop type: A rare inherited disorder primarily involving mucosal lesions throughout the body as well as skin, hair and lung problems.
  • Multiple congenital anomalies -- mental retardation -- growth failure and cleft lip/ palate: A very rare syndrome characterized mainly by mental retardation, growth failure, cleft lip, cleft palate and various other abnormalities.
  • Myopathy, congenital nonprogressive with Moebius and Robin sequences: A rare inherited disorder characterized by nonprogressive muscle weakness from birth as well as the Moebius (congenital facial palsy with impaired ability to move eyes) and Pierre Robin sequence (underdeveloped jaw, cleft soft palate, abnormal tongue position).
  • Nance-Horan Syndrome: An inherited congenital condition characterized mainly by cataracts and peg-shaped and extra teeth
  • Narrow oral fissure -- short stature -- cone-shaped epiphyses: A very rare syndrome characterized mainly by narrow mouth opening, short stature and abnormal bone development.
  • Nasopharynx cancer: A condition which is characterized a malignancy located in the nasopharynx
  • Natal teeth intestinal pseudoobstruction patent ductus: A very rare syndrome characterized mainly by poor immunity, intestinal and heart problems and the premature eruption of primary teeth.
  • Natal teeth, intestinal pseudoobstruction and patent ductus: A very rare syndrome characterized mainly by poor immunity, intestinal and heart problems and the premature eruption of primary teeth.
  • Native American myopathy: A rare genetic disorder characterized by muscle disease from birth, cleft palate and malignant hyperthermia.
  • Noma: A rare disorder characterized by gangrenous sores that spread rapidly and usually start in the mouth or lips. It mostly occurs in undernourished children living in poor, unhygienic conditions.
  • OFD syndrome type 8: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger abnormalities.
  • OFD syndrome type Figuera: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps, finger abnormalities and absence of all or part of the fibula.
  • OFD syndrome type IX: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger and retinal abnormalities.
  • OLEDAID: A rare syndrome characterized mainly by a weak immuned system, bone problems, lymphoedema and hair, teeth and nail abnormalities. Death usually occurs during the first few years of life due to overwhelming infections.
  • Oculodental syndrome: A familial disorder characterized by corneal dystrophy, enlarged gums and missing teeth
  • Oculodentodigital syndrome: A rare genetic disorder characterized by small eyes, underdeveloped tooth enamel and permanent flexion of one or more finger joints.

 

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