The hole after wisdom teeth extraction is clinically known as extraction fossa, generally do not need to be dealt with, pay attention to the protection of the wound within 2 weeks, waiting for its healing can be. 1. After the extraction of teeth after the extraction of the nest, about 30 minutes blood clot coagulation, generally no active bleeding. The blood clot gradually forms granulation tissue, which is then gradually replaced by the epithelial and connective tissue of the gums. Surface closure is usually formed in about 2 weeks. 2. Therefore, within 2 weeks after the extraction, care should be taken to avoid damage to the extraction wound, do not eat hard and sharp food. However, it takes about 3 months for the alveolar bone in the extraction socket to heal. Therefore, it is generally not necessary to deal with it, and it is sufficient to give time to wait for the extraction socket to heal.