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Class II, Division 1 Treatment with Frankel and Edgewise Appliances
EDGEWISE APPLIANCE FRANKEL APPLIANCE GROWTH
2009/2/28
A statistical comparison of treatment changes in twenty patients treated with a Fränkel appliance and twenty treated with the Edgewise mechanism. Both groups showed similar improvements, with...
The Effect of Frankel II and Modified Twin Block Appliances on the ‘C’-axis: The Growth Vector of the Dentomaxillary Complex
Dentomaxillary growth vector Frankel II appliance Modified Twin Block appliance Growth modification
2008/12/16
The recently determined ‘C’-axis, the growth vector of the dentomaxillary complex, permits an evaluation of any meaningful growth changes thereto by the Frankel II and modified Twin Block functional...
Frankel矫治器治疗安氏Ⅱ类1分类错牙合的有限元分析
功能矫治器 有限元分析方法
2010/8/20
使用有限元方法, 分析12 例安氏ê 类1 分类错牙合患者采用F rabnkel 矫治器治疗的矫治效果。患者平均年龄1112 岁, 疗程平均1413 月。共使用17 个节点和14 个三角形单元, 计算各单元矫治后的最大伸张比值、最小伸张比值、最大主应变方向值以及形状变化和大小变化。结果表明, 有限元分析法较传统的头影测量方法更客观和精确地定量描述颅面形态变化, 功能矫治器的矫治机理主要是通过使颅面...