Soreness of biting teeth may be caused by apical periodontitis, fissure, caries, etc. Patients can alleviate the condition through general treatment, medication, surgery, and so on. 1. Periapical inflammation: patients should avoid the use of stimulating drugs, the pain is more serious patients, can follow the doctor’s instructions to use pain medication, such as ibuprofen, etc. for treatment. Patients can be treated by root canal therapy, apical induction molding, apical surgery, etc., and the diseased tooth can be extracted if necessary. 2. Cryptocleidosis: Patients with cryptocleidosis should pay attention to oral hygiene, brush their teeth correctly, and avoid eating cold and irritating foods. For patients with relatively minor fissures, calcium hydroxide paste can be used to cover, glass ionomer adhesive temporary sealing, after 2 weeks of no symptoms, it will be replaced with light-curing composite resin; for patients with serious fissures, endodontic treatment and full crown repair can be carried out, and if necessary, the tooth can be extracted and replaced. 3. Dental caries: for the relatively mild symptoms of dental caries, patients can use 75% sodium fluoride glycerin paste, 10% silver nitrate and silver ammonia nitrate under the guidance of the doctor for treatment, and patients with severe symptoms of pain can take pain medication such as ibuprofen and so on for treatment. For patients with serious caries can be treated by filling the caries cavity. It is recommended that patients strictly follow the doctor’s instructions for medication, actively cooperate with the doctor’s treatment, pay attention to maintaining oral hygiene in life, develop good brushing habits, and if there is any discomfort in time to seek medical treatment.