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IP Indian Journal of Conservative and Endodontics

A comperative study of cyclic fatique resistance of two reciprocating files

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Research Article

Author Details : Emre Övsay*

Volume : 4, Issue : 2, Year : 2019

Article Page : 56-57

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To evaluate the cyclic fatique resistance of two different Ni-Ti reciprocating rotary files Wave One Gold and Reciproc at angle of 60 degrees in a metal block. This study was performed on 7 files in each group including Wave One files 25/07(Group 1) and Reciproc R25/08 files (Group 2). The files were tested in artificial 600 curved canal on computer numerical control (CNC) machined metal block. Each file rotated in a reciprocated motion with 350 rpm speed and 2.5 Ncm torque (Xsmart plus, Dentsply) until files were fractured. The time elapsed during rotation were recorded and the length of fractured part of the instruments measured for each file. Mann-Whitney U test was used to compare two independent groups. Kruskal-Wallis test was conducted to compare time and length among groups. The time periods and the length of the fractured parts of the instruments in each group: Group1 Wave one Gold #25 10:07±0,56 sec (n=7); Group2 Reciproc #25: 09:02±0:36 sec/(n=7). No significant difference was observed between cyclic fatigue of Group1 Wave one Gold #25 and Group2 Reciproc #25. No significant differences between groups were apparent regarding length of the fractured part.

Keywords: Cyclic fatique, Wave one gold, Reciproc.

Doi : 10.18231/j.ijce.2019.012

How to cite : Övsay E , A comperative study of cyclic fatique resistance of two reciprocating files. IP Indian J Conserv Endod 2019;4(2):56-57

Copyright © 2019 by author(s) and IP Indian J Conserv Endod. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC-BY-NC 4.0) (