The temporomandibular joint (TMJ) is the joint that makes it
possible to chew. This joint allows your jaw to open and close, and
allows jaw movement forward, backward, and sideways. The TMJ only
works properly if the lower jaw and its movements are
synchronized.
Temporomandibular Disorder (TMD) is a condition caused by
strenuous physical activities, stressful situations, overuse of the
muscles, and grinding of the teeth. TMD affects jaw muscles, the temporomandibular joint, and nerves where movements
become out of synch. These habits wear out the jaw muscles and lead
to headache or neck pain. It can also result in sensitive teeth,
injured soft tissues, muscle soreness, jaw discomfort, and
headaches. Other symptoms include difficulty opening and closing
your mouth, and the jaw locking when talking, yawning or
eating.
TMD is treatable. A nighttime mouth guard will help stop the
patient teeth grinding. More severe cases can treated with physical
therapy, ice and hot packs, and posture training. TMD is usually
cyclical and may return when the patient experiences stress. Your
dentist can recommend the right therapy for you.