There is no specific medication for the treatment of inverted teeth. Canker tooth usually refers to dentin sensitivity, which can be given desensitization treatment, endodontic treatment, and also through other ways of treatment. 1. Desensitization: Dentin sensitivity, it is recommended to go to the hospital stomatology department, can be given under the guidance of the doctor professional antidentin sensitivity drugs or preparations, such as calcium salts, protein coagulants, can help to improve. 2. Endodontic treatment: Ineffective desensitization or wear close to the pulp may cause the above symptoms, consider endodontic treatment if necessary, but also full crown restoration. 3. Other forms of treatment: Other forms of treatment mainly include resin filling, laser and other forms of treatment. If there is a primary disease, it is necessary to treat the primary disease. Frequent backwardness of teeth is related to dental diseases. It is recommended to go to the dentist to clarify the cause and then treat it according to the doctor’s advice.