Swelling on the third day after wisdom tooth extraction is generally normal. This can also occur after wisdom teeth extraction due to periodontal trauma, which may result in an inflammatory repair response, oozing of tissue fluid, producing edema, or after consuming an irritating diet, for example. Each person’s physical condition is different, so the symptoms manifested after wisdom teeth removal vary, and some people may not experience swelling. Wisdom teeth extraction must choose a professional hospital, after the extraction of wisdom teeth need to observe the individual situation, if there are obvious swelling symptoms, you can use under the guidance of the doctor metronidazole, amoxicillin and other drugs to prevent infection, a few days after the swelling symptoms will gradually disappear. Usually need to pay attention to personal oral hygiene, after the extraction of teeth need to be diligent in brushing and rinsing.