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

表3 颅颌面骨骼在 Y 轴上的位移/mm

Tab 3 Displacement of the cranio-maxillofacial bones along the Y-axis/mm

Cranio-maxillofacial bone Group A Group B A0 AⅠ AⅡ AⅢ B0 BⅠ BⅡ BⅢ Frontal bone 0.027 70 0.027 40 0.027 30 0.027 30 0.001 00 0.000 77 0.000 63 0.000 62 Maxilla -0.008 59 -0.009 51 -0.009 81 -0.010 00 -0.000 61 -0.003 45 -0.003 89 -0.004 34 Zygomatic bone -0.009 50 -0.009 87 -0.009 98 -0.010 01 -0.000 27 -0.001 05 -0.001 26 -0.001 42 Nasal bone 0.024 60 0.024 40 0.024 25 0.024 21 0.000 93 0.000 77 0.000 56 0.000 37