Numbness after wisdom teeth extraction is a normal phenomenon, usually about 4 hours to recover, can be improved through daily care to improve the symptoms. Numbness after wisdom teeth extraction is mainly due to local anesthesia, wisdom teeth extraction need to take local anesthesia, the main purpose is to reduce the pain of tooth extraction, anesthesia drugs will be injected through the injection site to diffuse, so the phenomenon of numbness after wisdom teeth extraction is normal, usually after the anesthesia disappears will be relieved on their own. If the numbness after wisdom tooth extraction lasts for a long time, the patient can drink more water to promote blood circulation and improve the metabolism of the anesthetic drug, thus relieving the symptoms. Numbness after wisdom teeth extraction is a normal phenomenon, without special treatment, if the phenomenon occurs for a long time, it is recommended to go to the hospital in time to improve the examination, and follow the doctor’s instructions to take standardized treatment.