What causes teeth grinding while sleeping?

Malocclusion: Malocclusion of teeth cause grinding. Teeth are trying to touch each other, if they don't touch (malocclusion) they gring due to the void. Mouth guard (night slpint) fills that potential gap which may prevent TMJ pain, or headaches. Dentist may make a mouth guard for you, some people buy a sport mouth guard and use it when they sleep. See your dentist.

Grinding teeth: Teeth grinding is caused by involuntary contraction of the jaw (masseter) muscle during sleep. This in turn is usually caused by stress or chronic habits (like chewing on pencils). Since the individual is asleep, s/he is unable to control it. The best management is to have your dentist make a mouth guard to protect the teeth and reduce the friction. Ibuprofen will help for pain.

Possibly stress: For many people, grinding of the teeth (or bruxism) that occurs during sleeping is related to stress and tension.

Few things: Teeth grinding can be a habit or can be onset by stress things to help is to see your dentist for a dental appliance to prevent the teeth from touching during sleep, eliminate alcohol and caffeine after 6pm and if the grinding becomes severe your dentist might want to prescribe mild muscle relaxers to relax the major muscles of the jaw

Contact DDS: See your dentist for an evaluation, stress, premature contacts are a few of the reasons for teeth grinding. Let your dentist have a look to determine the possible causation factor and more important, how to remedy the situation to not have more problems. If warranted, a night guard may be fabricated or more involved dental procedures may be needed.