Local anesthesia will be administered before removal of wisdom teeth, and there is usually no pain sensation during the removal process. After the anesthetic effect wears off, the degree of pain varies from person to person, and the pain symptoms are generally stronger after a more traumatic removal procedure, as follows. Before removing wisdom teeth will be carried out local block anesthesia, local anesthetic solution will be injected into the nerve trunk or its main branches nearby, in order to block the incoming stimulation of the nerve endings, so that the distribution of the blocked nerves to produce anesthetic effect, so the process of wisdom teeth removal generally do not appear pain. After the anesthesia wears off, the metabolic breakdown products caused by trauma and the activated substances produced by the tissue stress response will stimulate the nerve endings and cause pain. The degree and duration of pain varies from person to person, and is usually more severe in more traumatic cases, such as flap debridement operations. If the pain symptoms are severe and continue unabated, it is recommended to visit a hospital and receive professional treatment.