Paper Information

Journal:   IRANIAN ENDODONTIC JOURNAL (IEJ)   2014 , Volume 9 , Number 4; Page(s) 235 To 240.
 
Paper: 

A REVIEW OF THE VARIOUS SURFACE TREATMENTS OF NITI INSTRUMENTS

 
 
Author(s):  MOHAMMADI ZAHED, SOLTANI MOHAMMAD KARIM, SHALAVI SOUSAN, ASGARY SAEED*
 
* IRANIAN CENTER FOR ENDODONTIC RESEARCH, RESEARCH INSTITUTE OF DENTAL SCIENCES, SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCES, TEHRAN, IRAN
 
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 electro polishing. 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.

 
Keyword(s): CRYOGENIC TREATMENT, ELECTROPOLISHING, ION IMPLANTATION, NICKEL-TITANIUM, NITI, THERMAL NITRIDATION
 
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