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2 颅颌面骨骼在 X 轴上的位移/mm

Tab 2 Displacement of the cranio-maxillofacial bones along the X-axis/mm

Cranio-maxillofacial bone Group A Group B A0 AⅠ AⅡ AⅢ B0 BⅠ BⅡ BⅢ Frontal bone -0.063 97 -0.064 05 -0.063 98 -0.063 93 -0.003 08 -0.003 52 -0.002 89 -0.002 24 Maxilla -0.063 97 -0.064 05 -0.063 98 -0.063 93 -0.003 08 -0.003 52 -0.002 89 -0.002 24 Zygomatic bone -0.045 22 -0.045 16 -0.045 05 -0.044 98 -0.001 53 -0.001 67 -0.001 33 -0.000 99 Nasal bone -0.024 05 -0.023 81 -0.023 73 -0.023 71 -0.000 48 -0.000 35 -0.000 16 -0.000 04