Did you wake up with a sore jaw this morning or perhaps a headache? Facial pain, aching jaws, sore teeth and gums can all be a sign of bruxism, a condition caused by subconsciously clenching and grinding your teeth during sleep. If you even suspect this might be happening to you, we strongly suggest you come and see us for a review. It may also affect your jaw joints called temporomandibular joints, causing a condition called TMJ. You may have TMJ if you find your lower jaw makes a popping or clicking sound or is painful to move.