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Laceback联合Ⅱ类牵引在直丝弓排齐阶段的临床初探
Laceback Ⅱ类颌间牵引 MBT 正畸
2014/11/5
研究Laceback联合Ⅱ类牵引(56.6克力)在直丝弓排齐整平阶段对上、下颌切牙、尖牙和第一磨牙在前后向和垂直向的影响。方法 选择32例安氏Ⅰ类或轻度安氏Ⅱ类1分类错牙合的正畸患者，需要拔除四颗第一双尖牙，使用MBT直丝弓矫治器矫治。在排齐阶段通过Laceback联合Ⅱ类牵引促进上尖牙的远中移动，下磨牙的近中移动。在矫治前和直到更换0.019英寸×0.025英寸镍钛丝整平时拍摄头颅侧位定位片和取...
Effectiveness of Laceback Ligatures on Maxillary Canine Retraction
Laceback Canine distalization
2008/11/24
Objective: To evaluate the effects of laceback ligatures on canine distalization during the leveling and aligning stage and to compare the effectiveness of laceback ligatures with that of superela...