Prognathism is a descriptive term for a jaw (lower or upper) that protrudes forward beyond the plane of the face.
Review Date: 2/27/2008
Reviewed By: Rachel A. Lewis, MD, FAAP, Columbia University Pediatric Faculty Practice, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.