Temporomandibular Joint Pain Disorder (TMJ Disorder)Temporomandibular Joint Pain (TMJD) disorder causes pain in your jaw joint and the muscles that control the jaw movement. The Temporomandibular joint connects the jawbone to your skull allowing your upper jaw to close on the lower jaw and making it one of the most frequently used joints in the body. Headaches and MigrainesHeadache are an uncomfortable pain in the head or face that can sometimes include the upper neck. The pain of headaches causes pressure and aching in the sensitive structures of the head and face; including the skin, bones, eye sockets, nose, mouth and ears.