If your wisdom teeth sutures have fallen out by themselves, it is advisable to go to the dentist at the hospital for a checkup to see if there are any residual sutures and how the wound is healing. The reason for the wisdom teeth suture thread to fall off by itself may be that the wound healing causes the suture thread to loosen, or eating, brushing teeth, talking and other daily activities cause the suture thread to be tugged and loosened, if the wound does not have obvious redness, swelling, pain and other discomforts, generally do not need to carry out special treatment. However, it is still recommended to go to the hospital for follow-up so as to prevent the wound from becoming infected and other unfavorable conditions. If the wisdom teeth sutures do not fall out completely and there is a wound infection, or the existence of multiple sutures, you need to go to the hospital stomatology to find a doctor for examination, to determine that the wound is basically healed, and then use iodine povidone to disinfect the sutures, and then completely remove the sutures, and at the same time to follow the doctor’s instructions with the use of metronidazole tablets or cephalosporin antibiotics for anti-infective treatment. After the wisdom teeth sutures are removed, it is recommended to pay more attention to oral hygiene, try to use salt water or chlorhexidine mouthwash to rinse the mouth to prevent wound infection.