Results The main changes include: increase of lower facial height, protrusion of lower lips, retrusion of upper lips and the improvement of incompetent lips. 结果:软组织主要变化有:下面高增加,下唇明显前移,上唇后移,颏唇沟变浅,唇肌紧张度改善。
And all the second or all the first molars 'retrusion were made at the same time. Results The main changes include: increase of lower facial height, protrusion of lower lips, retrusion of upper lips and the improvement of incompetent lips. 并实现了上、下颌4颗第二或第一磨牙同时后移。结果:软组织主要变化有:下面高增加,下唇明显前移,上唇后移,颏唇沟变浅,唇肌紧张度改善。