How often have you heard someone say “I have TMJ”?

In truth, we each have two TMJ’s.  TMJ is common abbreviation for the Temporomandibular Joint.  We have a left TMJ and a right TMJ.  There is an articular disc between the temporal bone and the mandible.   The TMJ is a synovial joint.  The subtype is a modified hinge allowing us to open and close our mouth; speaking, chewing, yawning.

TMJ dysfunction is a general term that applies to any abnormal function of the TMJ.  ...