Methods In repairing the facial depression, the ruptured subdermal adipocellular tissue was approximated and reunite with the buried-guided-suture method through an intraoral or a concealed skin incision. 方法经口内或隐蔽部位切口,应用埋没导引缝合技术,将皮下断裂的组织缝合复位,从而矫治面部凹陷畸形。