upper incisors meaning in English

上切牙

Result : the midfacial complex was displaced anteriorly , forward growth of mandible was restricted ; the mandible exhibited a downward and backward rotation ; an significant increase was showed on the lower facial height ; the class incisor relationship was corrected by anterior displacement of the upper incisors and posterior displacement of the lower incisors
结果：上颌向前移位改良生长量，下颌的向前生长受到抑制；下颌以髁突为中心向下、后旋转，使下颌空间位置发生变化；下颌的顺时针旋转将造成面下1 3长度增大；上、下颌前牙发生牙性代偿的掩饰作用。