in addition , the results of this study led to the following abbreviated conclusions : for the impaction group , ( 1 ) the upper lip closely followed the movement of the maxillary central incisor in the horizontal plane , ( 2 ) the mandibular soft tissue followed the skeletal mandibular autorotation on an approximately 1:1 basis , ( 3 ) the lower border of the upper lip moved superiorly approximately 40 percent of the vertical maxillary change , and ( 4 ) there was a superior vertical change in all of the maxillary soft-tissue points .
C1710579
maxillary central incisor
C0024947
maxillary