Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Macrognathia
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Macrognathia: An abnormally large jaw. Macrognathia can be associated with pituitary gigantism, tumors, and other disorders. Macrognathia can often be corrected with surgery. Also known as prognathic mandible.