You need to brush your teeth after 24 hours after the extraction and avoid touching the wound with the toothbrush when brushing.
Usually within 24 hours of tooth extraction, brushing and rinsing are prohibited to avoid taking away the blood clot that has formed in the wound for a short period of time, increasing the possibility of bacterial infection, and in serious cases, dry socket will be formed.
After 24 hours you can brush your teeth, there is no obvious difference between brushing and normal brushing, but it should be noted that when brushing, you should avoid touching the wound, and other teeth should be brushed clean.
When brushing teeth after extraction, toothpaste should be used, brushing time should reach 3 minutes, the way for pasteurized brushing method, try to choose soft bristles and small brush head toothbrush, as far as possible to minimize the damage to the wound and accelerate the healing.