本文介绍了一种不伸长牙齿,使磨牙能尽量恢复到最初萌出位置上的竖直弹簧设计及方法。矫治器固位部份包括尖牙列尖牙或双尖牙到双尖牙舌面用0.0215″多股丝粘连的保持装置。在尖牙、双尖牙和必须竖直的磨牙颊面粘上锁槽。其中磨牙锁槽由两个水平颊管构成。尖牙锁槽附有垂直槽沟。 This article presents a vertical spring design and method that does not stretch the teeth and allow the molar to return to its original eruption position. The appliance retainer includes a canine or bicuspid to the bicuspid surface with a 0.0215 "multi-strand wire retention device attached to the buccal, bicuspid, and buccal surfaces that must be vertical Lock groove, wherein the molar lock groove consists of two horizontal buccal tubes, and the canola lock groove is provided with a vertical groove.