If the extraction wound heals well, you can remove the stitches 13 days after the extraction, if the extraction wound heals poorly, you should delay the removal of stitches, as follows. 1. Good healing of the extraction wound: normal healing of the extraction wound, no secondary bleeding, no inflammatory exudate, no infection can be removed 13 days after the extraction. The suture is easy to accumulate plaque, remove the suture is conducive to further healing of the extraction wound. 2. Poor healing of the extraction wound: If the wound is cracked due to poor daily care, or the wound is poorly healed due to infection, congestion and edema with inflammatory granulation tissue proliferation and purulent secretion, the removal of the suture should be delayed after symptomatic treatment. It is recommended to go to the hospital and receive regular treatment with the help of a doctor.