An underbite is a condition in which the lower front teeth sit farther forward than the upper front teeth. It can cause your chin to jut out, and you may have trouble chewing. An underbite can be corrected with orthodontic treatment, such as braces, or with surgery.

Current as of: November 14, 2014

Author: Healthwise Staff

Medical Review: Adam Husney, MD - Family Medicine & William F. Hohlt, DDS - Orthodontics