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
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-heng1, △
