Study of str ess distr ibution in mandibular fir st pr emolar r estor ed by composite r esin with root scr ew of differ ent length in differ ent occlusion

WEI Liu- jia1, HONG Xiao- ke2, LIU Qian1, XING Hao- yang3, LI Xiaoqing1, ZHANG Min1

West China Journal of Stomatology . 2008, (04): 378 -382 .