anxiety sufferers often grind their teeth when asleep, this can be heard by a bed partner but may not be realised if sleeping alone
its a common cause of tooth damage and frequent replacement of fillings, one veteran dentist told me most of his dental repair work is from it
a football mouthguard (cheap) helps the teeth to slide over each other
a splint from dentist (expensive) can be worn to keep the teeth slightly apart
jaw clenching can cause severe pain in the jaw muscles, there are several of these on each side of the face and the pain can happen when awake later, can also cause noises in the ear