TMJ or temporomandibular (tem-puh-roe-man-DIB-u-lur) joint acts like a hinge that connects your jawbone to your skull. You have one joint on both sides of your jaw. TMJ disorders can cause pain in your jaw joint and also cause pain in the muscles that hold the movement of the jaw. In many people, TMJ may go away on its own. But sometimes, if the pain is in excess, you may have to take...