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What are TMJ and TMJ Disorder? PDF Print E-mail

The point at which the lower jaw attaches to the skull is known as the Tempero-Mandibular Joint, or TMJ for short.  When this joint is working normally, there is no discomfort, no "clicking" noise when opening or closing the jaw, and no cause for concern.

However, various factors can contribute to the abnormal development or function of this joint.  When such an abnormality exists, it is referred to as a TMJ Disorder, or TMD for short.  From the menu, you can access more details about TMD and watch videos showing normal vs. abnormal joint operation.


Here, you can see a "normal" TMJ in action.  Note, there is a smooth action involved in the opening and closing of the jaw

This second example shows a TMJ with defective motion.  This joint suffers from TMD.


If you are a sufferer or know someone who is, contact us at 519-971-9211 for a consultation.


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