Agnathia
Agnathia (also termed hypognathous) is absence of a portion or the entirety of one or both jaws. It is a very rare condition. See also * Micrognathia Micrognathism is a condition where the jaw is undersized. It is also sometimes called mandibular hypoplasia. It is common in infants, but is usually self-corrected during growth, due to the jaws' increasing in size. It may be a cause of abnorm ... References Pathology of the maxilla and mandible {{Disease-stub ...
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Micrognathia
Micrognathism is a condition where the jaw is undersized. It is also sometimes called mandibular hypoplasia. It is common in infants, but is usually self-corrected during growth, due to the jaws' increasing in size. It may be a cause of abnormal tooth alignment and in severe cases can hamper feeding. It can also, both in adults and children, make intubation difficult, either during anesthesia or in emergency situations. Causes While not always pathological, it can present as a birth defect in multiple syndromes including: * Catel–Manzke syndrome * Bloom syndrome * Coffin–Lowry syndrome * Congenital rubella syndrome * Cri du chat syndrome * DiGeorge syndrome * Ehlers–Danlos syndrome * Fetal alcohol syndrome * Hallermann–Streiff syndrome * Hemifacial microsomia (as part of Goldenhar syndrome) * Incontinentia pigmenti * Juvenile idiopathic arthritis * Marfan syndrome * Möbius syndrome * Noonan syndrome * Pierre Robin syndrome * Prader–Willi syndrome * Progeria * ...
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