替牙期无托槽隐形矫治器扩弓治疗改良设计的有限元分析
吕秦毅, 高子琦, 冯青辰, 梅宏翔, 李娟

Optimizing arch expansion with clear aligners in the mixed dentition based on finite element analysis
LÜ Qinyi, GAO Ziqi, FENG Qingchen, MEI Hongxiang, LI Juan
图1 有限元模型组成
Note: PDL—periodontal ligament; CA—clear aligner.
Fig 1 Finite element model establishment process