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Medical Author:

William C. Shiel Jr., MD, FACP, FACR

William C. Shiel Jr., MD, FACP, FACR

Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

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Medical Editor:

Melissa Conrad Stöppler, MD

Melissa Conrad Stöppler, MD

Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.

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In this Article

• Temporomandibular joint (TMJ) disorders facts
• What is the temporomandibular joint?
• What are TMJ disorders, and what are causes of TMJ disorders?
• What are common TMJ symptoms?
• How are patients evaluated and diagnosed when TMJ problems are suspected?
• What is the treatment for TMJ disorders?
• What is the prognosis (outlook) of TMJ disorder?
• Can TMJ problems be prevented?
• Patient Comments: Temporomandibular Joint Disorder (TMJ) - Treatments
• Patient Comments: Temporomandibular Joint Disorder (TMJ) - Symptoms
• Find a local Doctor in your town
• Temporomandibular Joint Disorder Index

TMJ pain disorders usually occur because of unbalanced activity, spasm, or overuse of the jaw muscles. Symptoms tend to be chronic, and treatment is aimed at eliminating the precipitating factors. Many symptoms may not appear related to the TMJ itself. The following are common symptoms.

Headache: Approximately 80% of patients with a TMJ disorder complain of headache, and 40% report facial pain. Pain is often made worse while opening and closing the jaw. Exposure to cold weather or air-conditioned air may increase muscle contraction and facial pain.

Ear pain: About 50% of patients with a TMJ disorder notice ear pain and do not have signs of ear infection. The ear pain is usually described as being in front of or below the ear. Often, patients are treated multiple times for a presumed ear infection, which can often be distinguished from TMJ disorder by an associated hearing loss or ear drainage (which would be expected if there really was an ear infection). Because ear pain occurs so commonly, ear specialists are frequently called on to make the diagnosis of a TMJ disorder.

Sounds: Grinding, crunching, clicking, or popping sounds, medically termed crepitus, are common for patients with a TMJ disorder. These sounds may or may not be accompanied by increased pain.

Dizziness: Of patients with a TMJ disorder, 40% report a vague sense of dizziness or imbalance (usually not a spinning type vertigo). The cause of this type of dizziness is not well understood.

Fullness of the ear: About 33% of patients with a TMJ disorder describe muffled, clogged, or full ears. They may notice ear fullness and pain during airplane takeoffs and landings. These symptoms are usually caused by eustachian-tube dysfunction, the structure responsible for the regulation of pressure in the middle ear. It is thought that patients with TMJ disorders have hyperactivity (spasms) of the muscles responsible for regulating the opening and closing of the eustachian tube.

Ringing in the ear (tinnitus): For unknown reasons, 33% of patients with a TMJ disorder experience noise or ringing in the ears (tinnitus). Of those patients, half will have resolution of their tinnitus after successful treatment of their TMJ disorder.