舌侧矫治器关闭间隙上前牙牙周膜应力变化的三维有限元分析

柳大为¹, 李晶¹, 郭亮², 荣起国², 周彦恒^1,^△

Stress change of periodontal ligament of the anterior teeth at the stage of space closure in lingual appliances: a 3-dimensional finite element analysis

LIU Da-wei¹, LI Jing¹, GUO Liang², RONG Qi-guo², ZHOU Yan-heng^1,^△

颊侧加力0.75 N+腭侧加力0.75 N关闭拔牙间隙时牙周膜von Mises应力分布图