The length of the protruding bone surgery depends on the size of the surgical incision. Generally speaking, if the bone tip revision is done by tapping, the task will only take about 5 minutes. In the case of osseous augmentation revision, the osseous augmentation is only a single one, as the procedure needs to be completed by turning the flap, then debridement, smoothing, and finally by resetting the mucoperiosteal flap for suturing, which can take from ten minutes to half an hour. It also depends on the size of the augmentation or the tip of the bone, the more it is, the longer it takes. After all, bone augmentation revision is a kind of surgery and requires corresponding preparation before and after surgery, especially for each patient, especially middle-aged and elderly patients, who should be screened for cardiovascular and cerebrovascular diseases, as well as systemic diseases, such as diabetes and liver and kidney problems. After ruling out these problems, the preoperative preparation may require the use of testing instruments and medications accordingly. If included in the length of the procedure, this will take up a significant portion of the time and will naturally prolong the procedure.