A black hole after removing the wisdom teeth from the stitches may firstly be normal and does not require treatment. Secondly, it may also be caused by dry socket, which requires medication and surgical treatment. 1. Normal phenomenon: black holes appear locally after wisdom teeth removal is a normal phenomenon, do not need to take measures to treat, after a period of time, the black holes will recover on their own. It is recommended to keep your mouth clean and rinse your mouth in time after each meal. 2. Dry socket: If dry socket leads to black holes after wisdom teeth extraction, you need to use antibiotics such as amoxicillin and metronidazole, as well as mouthwash such as chlorhexidine rinses and hydrogen chloride rinses under the guidance of a doctor. In addition, some patients can also take under local debridement surgery to remove localized decay. It is recommended that there is a black hole after wisdom teeth extraction and removal of wires need to consult a doctor in time, if it is a normal phenomenon, do not worry about it, you can not deal with it. If it is caused by disease, patients need to choose the appropriate measures under the guidance of the doctor to treat.