Ways to stop biting the inside of your mouth include stress and relaxation therapy, wearing a mouth guard, jaw alignment, medication and hypnosis. Bite correction is another option, if the biting is due to crooked teeth. Distractions can help if biting is compulsive.
Biting the inside of one’s mouth may be caused by obsessive-compulsive behavior. Although it may cause pain, the pain may be associated with stress relief and gratification, which makes it difficult to stop. Biting may be unconscious when you are asleep. Knowing the underlying cause of this problem is important in determining treatment. Since biting results in sores that may contribute to further injuries or infections, it is important to treat them.