If the tooth is only the crown part of the fracture is not extracted, if the tooth is fractured to the root part of the tooth, then you need to extract the tooth. 1. After the tooth is split, you should go to the hospital in time to take a picture to check the degree of damage to the tooth, if the tooth is split to the root part of the tooth under the gum, there is no significance of retaining the tooth, and the tooth should be extracted in time. 2. If the location of the tooth splitting is relatively shallow, just the crown part of the tooth, you can wear braces to fix the tooth can be protected with braces to avoid complete loss of teeth, the fixation force is not good can be staked crown repair. 3. If the tooth splitting damage to the nerve, need to do root canal treatment according to the patient’s condition. Therefore, patients need to go to the hospital in time for examination, the doctor will be based on the patient’s condition for judgment and targeted treatment.