Biting or grinding of teeth during night time is called Bruxism
. A nightguard, or night guard, is an appliance much like a retainer that people put in their mouths to protect their teeth while they are sleeping. This device is commonly used by people who suffer from bruxism, or excessive nighttime tooth grinding or clenching. This grinding and clenching puts pressure on the jaw, which can cause temporomandibular joint (TMJ) problems, severe headaches
, ear pain
, and neck pain
as well as causing excessive wear to the teeth. visit an oral surgeon or prosthodontist for this.