Effects of different preparation techniques on the sealing of root fillings in curved teeth in vitro
Author(s): LIU Zhi-yong, SHENG Fang, HAO Xin-yu, XIONG Shi-jiang
Pages: 68-71
Year: 2010 Issue: 9
Journal: Journal of Shandong University(Health Sciences)
Keyword: 弯曲根管; 封闭性能; 预备方法; O-TB法;
Abstract: 目的 采用4种根管预备方法预备中重度弯曲根管,通过邻甲苯胺(O-TB)法检测各种方法对其弯曲根管充填后微渗漏的影响.方法 选取人中重度弯曲单根管牙60颗,随机分为A、B、C、D 4个实验组,每组12颗离体牙,分别用平衡力法、ProTaper/crown-down法、逐步深入法、逐步后退法对根管进行预备;设E、F两个对照组,即阳性对照组和阴性对照组,每组6颗离体牙,E组不进行预备,F组用ProTap...
Pages: 68-71
Year: 2010 Issue: 9
Journal: Journal of Shandong University(Health Sciences)
Keyword: 弯曲根管; 封闭性能; 预备方法; O-TB法;
Abstract: 目的 采用4种根管预备方法预备中重度弯曲根管,通过邻甲苯胺(O-TB)法检测各种方法对其弯曲根管充填后微渗漏的影响.方法 选取人中重度弯曲单根管牙60颗,随机分为A、B、C、D 4个实验组,每组12颗离体牙,分别用平衡力法、ProTaper/crown-down法、逐步深入法、逐步后退法对根管进行预备;设E、F两个对照组,即阳性对照组和阴性对照组,每组6颗离体牙,E组不进行预备,F组用ProTap...
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