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4 颅颌面骨骼在 Z 轴上的位移/mm

Tab 4 Displacement of the cranio-maxillofacial bones along the Z-axis/mm

Cranio-maxillofacial bone Group A Group B A0 AⅠ AⅡ AⅢ B0 BⅠ BⅡ BⅢ Frontal bone 0.026 51 0.026 10 0.025 80 0.025 70 0.001 10 0.000 64 0.000 32 0.000 31 Maxilla 0.023 89 0.023 40 0.023 20 0.023 10 0.001 05 0.000 36 0.000 18 0.000 11 Zygomatic bone 0.021 34 0.020 90 0.020 80 0.020 70 0.000 70 0.000 36 0.000 20 0.000 10 Nasal bone -0.018 22 -0.018 00 -0.017 80 -0.017 70 -0.000 70 -0.000 63 -0.000 35 -0.000 07