Sixteen days after the extraction of wisdom teeth, the pain is still considered to be caused by normal postoperative reaction or infection, the former may not require special treatment, the latter can be completely removed from the source of infection. 1. Normal postoperative reaction: the removal of wisdom teeth, due to the extraction of large incisions, so the patient pain may be longer, manifested in the extraction of wisdom teeth after half a month after the vague pain, if it does not affect the normal life, generally do not need special treatment, continue to observe. 2. caused by infection: due to the oral tissues of blood flow is richer, stronger resistance to infection, acute postoperative infection is rare, mainly for chronic infection, chronic infection can lead to half a month after the extraction of wisdom teeth is still vague pain. Chronic infection is mainly due to the foreign body has not been removed after extraction or localized fluid accumulation. Under local anesthesia, foreign objects or fluid can be completely removed, and the extraction wound can heal again. If the patient sixteen days after the extraction of wisdom teeth is still vague pain in time to go to the dentist, looking for the cause of the disease, and actively for the cause of the treatment. At the same time, pay attention to oral hygiene in daily life.