Temporomandibular Disorder (TMD)
Temporomandibular disorder is a jaw problem that causes pain when you talk, chew, swallow, or yawn. The most common cause is tension in your jaw muscles, such as from clenching your jaw or grinding your teeth.
Last Revised: October 9, 2012
Author: Healthwise Staff
Medical Review: Adam Husney, MD - Family Medicine & Arden Christen, DDS, MSD, MA, FACD - Dentistry