Temporomandibular joint dysfunction

What is the temporomandibular joint (TMJ)? The temporomandibular joint (TMJ) is the joint that connects the jaw to the skull. There is a TMJ on each side of the face, in front of each ear. These joints allow the movements needed for speaking, eating and facial expression. TMJ dysfunction can cause pain, abnormal jaw movements and joint noises. They are quite common. What are the symptoms of TMJ dysfunction? If you have TMJ dysfunction, you may have: discomfort or pain in the jaw, especially when eating an aching pain in front of your ear, which may spread to your face