Macrognathism

Macrognathism is an abnormally large or protruding jaw. The opposite condition is called micrognathia.

Causes

 * Heredity
 * Pituitary gigantism
 * Paget's disease of bone
 * Acromegaly
 * Fetal alcohol syndrome
 * Leontiasis ossea
 * Cleidocranial dysplasia

Treatment
Treatment is surgical. Osteotomy may be done in case of maxillary macrognathia. Mandibular macrognathia is generally managed by resection of a portion of the mandible.