Temporomandibular joint dysfunction and muscle disorders, often known as TMJ or TMD , can be not only a real physical pain but a psychological pain as well. When the muscles and nerves of the TM joint are injured; inflammation, headaches, blurred vision, jaw tightness, ear pain, ringing in the ear, facial swelling, shoulder/neck stiffness and even depression can occur. According to the TMJ Association, approximately 12% of the population is affected by TMD. A research article by The School of Psychology and Life Sciences concluded that, “depression is particularly common among TMD patients” and pain symptoms associated with TMD can be treated with occlusal appliances or dental splint. The TM joint is where the bones of your skull connect to your jaw located just in front of your ear. Injury to the TM joint can occur directly through experiencing physical trauma or occur over time such as: Experiencing excessive stress or anxiety Teeth grinding/clenching Poor posture Misalignment of