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3 扩弓过矫治载荷下的上颌扩弓矫治后牙齿移动趋势
Note: Load 1 (A), load 2 (B), load 3 (C) and load 4 (D).
Fig 3 Trend of tooth movement after maxillary expansion treatment under load of over-expansion