Loosening of teeth after biting hard objects should be given appropriate treatment according to the cause of tooth loosening and the degree of tooth loosening. Common causes include periodontitis, dental trauma and so on. Commonly used treatment methods include regular observation and surgical treatment. 1. Surgical treatment: If the tooth itself suffers from periodontitis, attention should be paid to keep the oral cavity clean, develop good dental cleaning habits, reasonable diet. If combined with periodontal abscess can be local incision and drainage, and the use of antibiotics such as amoxicillin, metronidazole, etc., to be basically controlled by the inflammation of the loose teeth for temporary or permanent periodontal splinting, in order to fix the affected teeth. The medication needs to follow the doctor’s prescription. 2. Surgical treatment: due to the mechanical external force caused by the dentition, pulp or periodontal tissue damage, according to different symptoms choose different treatments such as restoration of crown form, endodontic treatment, fixation, etc., at the same time should pay attention to oral hygiene, to prevent infections, and to avoid consuming overheated food in order to avoid aggravation of the condition. 3. Regular observation: the teeth themselves have a certain physiological looseness, teeth loose after biting hard objects is not serious, it is recommended not to use the affected side of the chewing, adhere to the morning and evening brushing, avoid eating too hard food, etc., if there is no improvement is recommended to seek medical treatment. Teeth loose after biting hard objects, it is recommended to consult a doctor as soon as possible, improve the examination, standardized treatment.