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

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.