Wisdom teeth extraction has been taking anti-inflammatory drugs (actually should be antibacterial drugs) infection is unlikely, but it is not absolute. Wisdom teeth extraction oral antibacterial drugs can largely prevent infection of the extraction wound, extraction surgery there may be gingival tear soft tissue damage, serious need to turn the flap to remove the bone will appear alveolar bone damage. Antibiotics can effectively prevent infection of the extraction wound. If the oral hygiene is not good, after the extraction of teeth diet is not careful such as eating too hot food, or too early to eat hard food leading to blood clot dislodgement, even if the oral antibiotics may cause dry socket. Therefore, oral antibacterial drugs all the time after wisdom tooth extraction can prevent the infection of extraction wound to a large extent, but there is also the possibility of dry socket syndrome, if there is severe pain after tooth extraction, you need to go to the dentist for medical treatment. It should be noted that antimicrobial drugs should not be used on their own, but should be used as prescribed by the doctor.