The tooth bite on the pain, there may be several reasons: 1, periapical abscess, bite will have pain, you need to do root canal treatment, the nerve will be removed from the root canal after the sealant, to promote the discharge of periapical abscess. After the tooth is restored to health, porcelain crowns and inlays can be restored. 2, periapical cysts of teeth. When there is a cyst in the periapical region of the tooth, there is a possibility of pain in the bite of the tooth. To do the resection of periapical cysts, you need to do outpatient surgical treatment. 3, teeth bite pain, because there are periodontal abscesses, tooth fracture, occlusal trauma, may appear tooth bite pain phenomenon, need to be targeted according to the situation.