TMD Symptoms
| TEMPOROMANDIBULAR
DISORDERS (TMD) are a common subgroup of orofacial pain disorders,
often incorrectly referred to as "TMJ". TMJ is the commonly
used abbreviation for Temporomandibular joint or jaw joint.
There are two basic types of TMD: MYOGENOUS TMD (muscle generated
pain) and ARTHROGENOUS TMD (jaw joint generated pain). |
| TMD SYMPTOMS include
pain or discomfort in or around the ear, jaw joint, and/or muscles
of the jaw, face, temples and neck on one or both sides. The
pain may arise suddenly or progress over months to years with
intermittent frequency and intensity. Clicking, popping,
grating (crepitus), locking, limited or deviant jaw opening and
chewing difficulties are also associated with TMD. |
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An estimated 75% of the U.S. population have experienced one or more signs or symptoms of TMD. Most TMD symptoms are temporary and fluctuate over time, requiring little or no professional intervention. An estimated 5-10% of the U.S. population will require professional treatment. TMD usually involves more than a single symptom and rarely has a single cause. |
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© 2004
Temporomandibular Disorders and Orofacial Pain. American Academy of
Orofacial Pain. All rights reserved.
Edited by Stephen J. Harkins, D.D.S., P.C.
Illustrations by Michaela Todd