An in vitro comparison of cyclic fatigue resistance of ProTaper universal and GT series X files

The aim of this study was to compare the cyclic fatigue resistance of two nickel-titanium (NiTi) endodontic instruments from ProTaper and GT series X files. Cyclic fatigue test was realized with instruments from ProTaper: F1 and F3 (Denstply Maillefer, Ballaigues, Switzerland) and GT-X: 20.06 and 30...

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Bibliographic Details
Published in:Medicina oral, patología oral y cirugía bucal patología oral y cirugía bucal, 2013-05, Vol.18 (3), p.e533-e536
Main Authors: Montenegro-Santillán, Ramiro, Alegre-Domingo, Teresa, Faus-Matoses, Vicente, Faus-Llácer, Vicente
Format: Article
Language:English
Subjects:
Dental Instruments
Dentistry
Endodontics
Equipment Design
Nickel
Stress, Mechanical
Titanium
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Summary:The aim of this study was to compare the cyclic fatigue resistance of two nickel-titanium (NiTi) endodontic instruments from ProTaper and GT series X files. Cyclic fatigue test was realized with instruments from ProTaper: F1 and F3 (Denstply Maillefer, Ballaigues, Switzerland) and GT-X: 20.06 and 30.08 (Dentsply Tulsa Dental, Tulsa, Oklahoma, United States of America). A total of 320 instruments were rotated in 4 curved artificial canals with different angles and radius of curvature. The time and cycles to failure were calculated. The data was compared using a Mann-Whitney, Kruskall-Wallis, and Kolmogorov-Smirnov tests, with a significance level of p
ISSN:1698-6946
1698-4447
1698-6946
DOI:10.4317/medoral.18595