Temporomandibular disorder (TMD) is a painful condition of the joint in the jaw. The temporomandibular joints are the small joints in front of each ear. They attach the lower jaw (mandible) to the skull. The disorder may affect the joint in the jaw or the muscles surrounding it. The disorder can include:
The Temporomandibular Joint
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The exact cause of TMD is often unclear. Possible causes include:
TMD is more common in women aged 30-50 years old. Other factors that increase your chance of TMD include:
TMD may cause:
You will be asked about your symptoms and medical history. A physical exam will be done. The physical exam may include:
Images may be needed of your jaw to check for abnormalities causing TMD. This can be done with:
Usually, the least invasive measures will be tried first. Treatment may include:
The area will need time to heal:
The most commonly used medications include:
Some medication may be injected into the jaw such as:
To help reduce pain and allow muscles to relax:
Some may benefit from counseling to learn stress management and relaxation techniques, such as:
A splint or mouth guard can be made to relax the jaw muscles, and prevent clenching and grinding of the teeth. The guard is usually worn at night. Unfortunately, there is not a lot of proof it works.
Correction of bite abnormalities by a dentist or orthodontist is sometimes needed.
Surgical correction is a last resort. Many of the available procedures have not been well-studied for their effectiveness.
Mouth Healthy—American Dental Association
The TMJ Association
Canadian Dental Association
Canadian Society of Otolaryngology—Head & Neck Surgery
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Last reviewed May 2016 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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