If the gums are cut and the teeth can grow out, then the incisal eruption will be performed; if the teeth are not in the right position, then they need to be cut and extracted. 1. Cutting teeth eruption aid: common in children with replacement teeth and growth of wisdom teeth, children with replacement teeth, if the milk teeth fall out too early, food for a long time to rub the gums will make the gums thickening, permanent teeth difficult to erupt on their own, at this time the need for surgical excision of a portion of the gums, to remove gums to help the permanent teeth eruption resistance. 2. Wisdom tooth growth will also be difficult to erupt by the soft tissue resistance, when the tooth growth position is positive, you can also surgically open the crown of the upper part of the gingival flap, to help wisdom teeth eruption. 3. Cutting and then extracting the tooth: For the growth of wisdom teeth is not in the right position for obstructed growth, at the same time covered with soft tissue above, you need to cut the gums first, and then extract the wisdom teeth, so as not to cause damage to the neighboring teeth and the surrounding soft tissues. Flesh wrapped around the tooth is recommended to see a doctor as soon as possible, check the oral situation in a timely manner.