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4 上颌扩弓过矫治结合转矩补偿治疗后牙齿移动趋势及牙周膜应力分布 Note： A?C. Trend of tooth movement after maxillary expansion treatment under load of over-expansion and torque compensation. Load 5 (A), load 6 (B), load 7 (C). D?F. Stress distribution of periodontal ligament after maxillary expansion orthodontic treatment under different loads. Load 5 (D), load 6 (E), load 7 (F).

Fig 4 The trend of tooth movement and distribution of periodontal membrane stress under load of over-expansion and torque compensation