﻿ Toothache Symptoms, Causes, Treatment - Temporalmandibular
joint (TMJ) disorders - OnHealth  Toothache (cont.)  Medical
Author: Medical Editor:  Temporalmandibular joint (TMJ)
disorders  Comment on this  Disorders of the temporomandibular
joint(s) can cause pain which usually occurs in or around the
ears or lower jaw. The TMJ hinges the lower jaw (mandible) to
the skull and is responsible for the ability to chew or talk.
TMJ disorders can be caused by different types of problems such
as injury (such as a blow to the face), arthritis, or jaw muscle
fatigue from habitually clenching or grinding teeth. Habitual
clenching or grinding of teeth, a condition called "bruxism,"
can cause pain in the joints, jaw muscles, and the teeth
involved. People who clench or grind their teeth may wake with a
toothache, headache or earache. There may be soreness around the
facial muscles and tenderness at the jaw joints. The action of
clenching or grinding can cause cracks, fractures, and wear on
the teeth. This exposes the und