The first step in diagnosing a TMD is properly identifying the signs and symptoms. Patients suffering from a TMJ disorder might be suffering from any of the following symptoms, or a combination of these symptoms: • Teeth clenching or grinding at night (known as bruxism) • Popping or clicking sounds when using the jaw (while chewing, talking, etc.) • Limited mobility in the jaw • Jaw pain or stiffness • Lockjaw • Ear ringing • Pressure or pain behind the eyes • Difficulty swallowing • Throat soreness • Teeth that are worn, chipped, or cracked • Changes to the bite (malocclusions) • Facial, neck, shoulder, or back pain • Difficulty chewing, eating, or speaking • Posture problems • Frequent headaches • Sleep apnea or excessive snoring • And others