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镍钛器械各种表面处理的综述

A Review of the Various Surface Treatments of NiTi Instruments.

作者信息

Mohammadi Zahed, Soltani Mohammad Karim, Shalavi Sousan, Asgary Saeed

机构信息

Iranian Center for Endodontic Research, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran;

Department of Orthodontics, Hamedan University of Medical Sciences, Hamedan, Iran;

出版信息

Iran Endod J. 2014 Fall;9(4):235-40. Epub 2014 Oct 7.

Abstract

Since the introduction of engine-driven nickel-titanium (NiTi) instruments, attempts have been made to minimize or eliminate their inherent defects, increase their surface hardness/flexibility and also improve their resistance to cyclic fatigue and cutting efficiency. The various strategies of enhancing instrument surface include ion implantation, thermal nitridation, cryogenic treatment and electropolishing. The purpose of this paper was to review the metallurgy and crystal characteristics of NiTi alloy and to present a general over review of the published articles on surface treatment of NiTi endodontic instruments.

摘要

自从引入发动机驱动的镍钛(NiTi)器械以来,人们一直试图将其固有缺陷降至最低或消除,提高其表面硬度/柔韧性,并提高其抗循环疲劳性能和切削效率。增强器械表面的各种策略包括离子注入、热氮化、低温处理和电解抛光。本文的目的是回顾镍钛合金的冶金学和晶体特性,并对已发表的关于镍钛根管器械表面处理的文章进行全面综述。

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