2种快速扩弓方式联合前方牵引治疗青少年骨性Ⅲ类错效果的三维有限元分析

韩磊, 鲁桐, 朱培香, 李煌

Effects of two rapid expansion methods combined with protraction on the treatment of skeletal class Ⅲ malocclusion in adolescents: a three-dimensional finite element analysis

HAN Lei, LU Tong, ZHU Peixiang, LI Huang

图9 A、B组的上颌第一磨牙的位移趋势图示 Note： The color of the arrow represents the magnitude of displacement, and the direction of the arrow represents the direction of displacement.

Fig 9 Diagram of the displacement trend of the maxillary first molar in Group A and Group B