There are no side effects of tooth extraction, and it has no effect on the body, but there will be some complications after tooth extraction.1, facial swelling. Often occurs in the wisdom teeth, after the extraction operation, began in the 12-24 hours after the operation, usually within 3-5 days can gradually subside, so you can try to do some cold compresses, or eat some cooler ice cream ice cubes after tooth extraction. 2, is bleeding. It is divided into primary bleeding and secondary bleeding. 3, dry socket. Dry socket syndrome usually appears in 2-3 days after the extraction of teeth, manifested in the alveolar fossa blood clot decomposition and shedding, the alveolar fossa is empty. The bone wall is exposed, bad breath and severe pain, and radiating pain to the temporal part of the ipsilateral ear.4. Infection. The main symptoms are limited mouth opening and painful swallowing.