It is normal to have a headache for a short period of time after wisdom tooth extraction, and a persistent headache after three days may be considered as pulpitis or dry socket. Prolonged wide opening of the mouth during wisdom tooth extraction may trigger discomfort in the temporomandibular joint and headaches of varying degrees. Local anesthesia before tooth extraction and tension can trigger headaches. Or the extraction of a large trauma, causing swelling and pain in the surrounding tissues, affecting the rest of the headache discomfort, a short period of time can disappear on their own. Pulpitis can also cause headaches. Wisdom teeth may cause decay of the front teeth, if the dental nerve inflammation will appear on the same side of the headache, and the pain will persist, need to carry out dental treatment to relieve. In addition, if the tooth becomes infected after extraction and dry socket develops, ipsilateral radiating pain can also occur and cause pain. It is normal for the pain to disappear on its own for a short period of time after wisdom tooth extraction, but if the pain persists for a long time, you should be alert to the possibility of pulpitis and dry socket, and you need to go to the dentist for medical treatment.