The photoelastic stress analysis is a technology with many researches focus on it. 中文摘要光弹应力分析是一种很普遍且有很多研究的技术。
Some commonly used endodontic screw posts were analysed for various techniques of post insertion by photoelastic stress distri-bution. 摘要本研究是桊由光弹应力分析法来分析临床上经常使用的数种螺旋根柱，观查并比较其打桩时在各种模拟状况下的应力变化。
