Protaper手动镍钛锉在后牙弯曲根管预备中的应用  

Manual Protaper Nickel Titanium File in the Application of Teeth after Bending Root Canal Preparation

作　　者：徐素琴[1] 朱加林[1] 

机构地区：[1]泰州职业技术学院医学技术学院,江苏泰州225300

出　　处：《泰州职业技术学院学报》2009年第3期38-39,59,共3页Journal of Taizhou Polytechnic College

摘　　要：目的评价手用Protaper镍钛锉在后牙弯曲根管预备的应用。方法据患牙位和X片将100颗患牙分为两大组即前牙单根管组和后牙弯曲根管组,再随机分为镍钛锉组和K型锉组,分别用冠向下预备法和逐步后退法预备根管,充填,拍X片,记录每组充填效果。结果镍钛锉组和K型锉组在前牙单根管预备中的差异不明显,而在后牙弯曲根管预备中有显著差异。结论手用Protaper镍钛锉在后牙弯曲根管预备方面有明显的优越性。Objective To evaluate the hand Protaper nickel titanium file in the teeth after root canal preparation bending applications. Methods According to the teeth and X-bit chip 100 teeth were divided into two groups of the former single tooth root canal and the posterior bending root canal group. And then were randomly divided into nickel titanium file and K-file group, were prepared to use the crown down and step-back technique to prepare root canal, filling, X to shoot films, record results in each filling. Results Nickel titanium file and file group in the former K-single tooth root canal preparation of the obvious differences; in the tooth aftcr root canal preparation bend in a significant difference. Conclusion The hand Protaper nickel titanium file in the teeth after bending root canal preparation has obvious advantages.

关 键 词：根管预备 手用Protaper镍钛锉 K型锉 

分 类 号：R78[医药卫生—口腔医学]