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What causes temporomandibular disorders (TMD)?

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We don’t know what causes TMD. Dentists believe symptoms arise from problems with the muscles of your jaw or with the parts of the joint itself.

Injury to your jaw, the joint, or the muscles of your head and neck -- like from a heavy blow or whiplash -- can lead to TMD. Other causes include:

  • Grinding or clenching your teeth, which puts a lot of pressure on the joint
  • Movement of the soft cushion or disc between the ball and socket of the joint
  • Arthritis in the joint
  • Stress, which can cause you to tighten facial and jaw muscles or clench the teeth

SOURCE: 

American Academy of Otolaryngology - Head and Neck Surgery.

Reviewed by Michael Friedman on October 10, 2019

SOURCE: 

American Academy of Otolaryngology - Head and Neck Surgery.

Reviewed by Michael Friedman on October 10, 2019

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What are the symptoms of temporomandibular disorders (TMD)?

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