国际口腔医学杂志

国际口腔医学杂志 ›› 2017, Vol. 44 ›› Issue (2): 189-194.doi: 10.7518/gjkq.2017.02.015

• 综述 • 上一篇    下一篇

R-相热处理镍钛根管锉的力学性能和根管预备成形能力

杨殷杰1, 侯本祥1, 侯晓玫2   

  1. 1.首都医科大学口腔医院牙体牙髓病科 北京 100050;
    2.北京大学口腔医院第二门诊部 北京 100101
  • 收稿日期:2016-05-22 出版日期:2017-03-01 发布日期:2017-03-01
  • 通讯作者: 侯晓玫,副主任医师,博士,Email：houxiaomei1108@163.com
  • 作者简介:杨殷杰,主治医师,硕士,Email：44872109@qq.com
  • 基金资助:
    国家自然科学基金（81200826）; 北京市医院管理局临床医学发展专项经费（XMLX201301）

Mechanical properties and shaping ability of R-phase heat treatment nickel-titanium instruments

Yang Yinjie, Hou Benxiang, Hou Xiaomei   

  1. 1. Dept. of Conservative Dentistry and Endodontics, Hospital of Stomatology, Capital Medical University, Beijing 100050, China;
    2. The Second Out Patient, Hospital of Stomatology, Peking University, Beijing 100101, China
  • Received:2016-05-22 Online:2017-03-01 Published:2017-03-01
  • Supported by:
    This study was supported by the National Natural Science Foundation of China(81200826) and Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Fonding(XMLX201301).

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摘要： 镍钛根管锉在根管治疗中的应用越来越广泛,为了提高镍钛根管锉的机械性能,R-相热处理技术被应用于其生产加工。本文对R-相热处理镍钛根管锉的制造工艺、弯曲性能、疲劳性能、扭转性能及预备成形能力等方面进行综述。

关键词: R-相, 热处理, 镍钛根管锉, 根管成形能力

Abstract: Nickel-titanium rotary instrument has been widely used in endodontic practice. Recently, R-phase heat treatment technique has been used in the manufacture of files to improve its mechanical properties. This article provides a review on manufacturing process, bending property, cyclic fatigue resistance, torsional resistance, and shaping ability of R-phase nickel-titanium instruments.

Key words: R-phase, heat treatment, nickel-titanium endodontic instrument, shaping ability

中图分类号: 

  • R781.05
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