Two types of load were applied to investigate the change of toothfracture resistance after restored with MOD inlay.
目的：对直接树脂和间接树脂嵌体修复后牙体的抗力进行三维有限元研究。
2
Fracturetooth of gear shaft in well drilling pump was analysed by chemical analysis, mechanical testing metallographic examination macro and microfractography.
采用化学成分分析、力学性能测定、金相检验以及断口宏、微观分析等方法，对钻井泵齿轮轴断齿进行了分析。
3
Conclusion The main supporting force position is on abutments of the bridge supported by tooth-implant; The implant neck is the most possible area for fracture.