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TMJ Disorder

TMJ stands for Temporo-Mandibular Joint, and is the ball and socket joint where the lower jaw fits into the skull. However, the term "TMJ" is often used to describe disorders or dysfunctions of the joint in which the joint becomes inflamed and/or altered. TMJ disorders may be caused by many external factors including bruxism, trauma, malalignment of the occlusal surfaces of the teeth, gum chewing and even nail biting, as well as degenerative joint disease or developmental abnormality. However, bruxism is a contributing factor in the majority of TMJ disorders. Some of the symptoms of TMJ disorders are:
  • discomfort or difficulty chewing, biting, opening or closing the mouth
  • clicking, popping, or grating of the jaw joint
  • dull, aching pain in the face
  • headaches, migraines
  • earaches, ringing in the ears, hearing loss
  • dizziness
  • jaw pain or tenderness of the jaw
Treatment methods of TMJ include:
  • Orthodontics (movement of teeth)
  • Occlusal Adjustment (manually altering the bite)
  • Use of Occlusal Appliance
    (a device worn to relieve most common contributor, bruxism)
NORMAL TMJ
MOUTH OPEN
ABNORMAL TMJ
ANTERIORLY DISPLACED DISC
ANTERIORLY DISPLACED DISC
WITH CHANGES IN SHAPE AND OTHER
DEGENERATIVE CHANGES