Broken gums usually heal on their own in 4-7 days. If the trauma is deeper, treatment may be required and the healing time will be extended accordingly. Gums are the reddish structures immediately around the neck of the teeth and the adjacent alveolar bone, itself is relatively fragile, usually eat hard food, such as sugar cane, etc., will lead to the gums appearing broken skin, if the trauma of the gums broken skin is relatively shallow, usually 4-7 days to heal themselves. If the trauma of broken gums is deeper, the wound range is larger, bleeding a lot of cases, it can not be self-healing, you need to go to the hospital in a timely manner, under the guidance of the doctor through the suture and other methods of treatment, so that the injured wound closure, bleeding stops, usually 7 days after the suture can be removed, 14-21 days after the basic healing. In addition, if the broken gums are caused by diseases such as periapical periodontitis, they cannot heal by themselves and need to be treated and recovered through a period of time under the guidance of a doctor.