Wisdom teeth can be brushed 24 hours after extraction, it is recommended to use the BASS brushing method, should not be repeated brushing of the extraction wound site, as follows. Wisdom teeth extraction after biting the cotton ball 15~30 minutes, the wound stops bleeding, the formation of blood clot closed wound, 24 hours after the fibroblasts to the blood clot growth, the blood clot occurs mechanization, at this time the blood clot is more stable, you can brush your teeth. Brushing method is recommended to choose BASS brushing method, the toothbrush bristles and the long axis of the tooth body at an angle of 45 ~ 60 degrees, gently apply pressure, so that part of the bristles into the gingival sulcus, do a short-distance horizontal vibration, 2 ~ 3 teeth as a group, the toothbrush should overlap when moving the cleaning site. Be careful not to repeatedly brush the tooth extraction wound. If bleeding, infection and other symptoms occur, it is recommended to go to the hospital in a timely manner to receive early professional treatment.