Hehe, professionally speaking, your situation is that the attachment of the frenum is too low, and you need to do frenum lengthening to keep its attachment point away from the gum. This operation will not improve the appearance of your lips, nor will it affect the functional activities of your lips, but it can indeed reduce the chance of recurrence of anterior tooth space. It's just a minor operation and a little local anesthesia. 10 minutes. Don't worry too much. In fact, the curvature of the upper lip can be improved by itself. The upper lip can be moved at any time to cover the maxillary teeth.