J Dent Res Dent Clin Dent Prospects. 2018;12(4):283-287.
doi: 10.15171/joddd.2018.044
PMID: 30774795
PMCID: PMC6368948
  Abstract View: 311
  PDF Download: 214
  Full Text View: 96

Original Article

Cyclic fatigue resistance of 2Shape, Twisted File and EndoSequence Xpress nickel-titanium rotary files at intracanal temperature

Gülşah Uslu 1, Taha Özyürek 2, Mustafa Gündoğar 3, Koray Yılmaz 4 *

1 Department of Endodontics, Faculty of Dentistry, Çanakkale Onkekiz Mart University, Çanakkale, Turkey
2 Department of Endodontics, Faculty of Dentistry, Ondokuz Mayıs University, Samsun, Turkey
3 Department of Endodontics, Faculty of Dentistry, Medipol University, İstanbul, Turkey
4 Department of Endodontics, Faculty of Dentistry, Hatay Mustafa Kemal University, Hatay

Abstract

Background. The aim of this study was to compare the cyclic fatigue resistance of 2Shape, Twisted File (TF) and EndoSequence Xpress (ESX) nickel-titanium rotary files at intracanal temperature (35°C).

Methods. Twenty 2Shape TS1 (25/.04), 20 TF (25/.04) and 20 ESX (25/.04) files were tested for cyclic fatigue at intracanal temperature (35°C). All the instruments were rotated in artificial canals which were made of stainless steel with an inner diameter of 1.5 mm, 60° angle of curvature and a radius curvature of 5 mm until fracture occurred; the time to fracture was recorded in seconds using a digital chronometer and the number of cycles to fracture (NCF) for each file was calculated. Kruskal-Wallis test with Bonferroni correction was performed to statistically analyze data using SPSS 21.0. Statistical significance was set at P<0.05.

Results. NCF values revealed that the 2Shape had significantly the highest cyclic fatigue resistance, followed by TF and ESX at intracanal temperature (P<0.05). The difference was significant between the TF and ESX groups (P<0.05). There was no significant difference among the 2Shape, TF and ESX files with respect to the lengths of the fractured file fragments (P>.05).

Conclusion. Within the limitations of present study, it was concluded that the cyclic fatigue resistance of 2Shape files at the intracanal temperature is higher than that of TF and ESX files.

First name
 
Last name
 
Email address
 
Comments
 
Security code


Article Viewed: 311

Your browser does not support the canvas element.


PDF Downloaded: 214

Your browser does not support the canvas element.


Full Text Viewed: 96

Your browser does not support the canvas element.

Submitted: 22 Jun 2018
Accepted: 03 Dec 2018
First published online: 26 Dec 2018
EndNote EndNote

(Enw Format - Win & Mac)

BibTeX BibTeX

(Bib Format - Win & Mac)

Bookends Bookends

(Ris Format - Mac only)

EasyBib EasyBib

(Ris Format - Win & Mac)

Medlars Medlars

(Txt Format - Win & Mac)

Mendeley Web Mendeley Web
Mendeley Mendeley

(Ris Format - Win & Mac)

Papers Papers

(Ris Format - Win & Mac)

ProCite ProCite

(Ris Format - Win & Mac)

Reference Manager Reference Manager

(Ris Format - Win only)

Refworks Refworks

(Refworks Format - Win & Mac)

Zotero Zotero

(Ris Format - FireFox Plugin)