Laboratory Evaluation of Fracture and Deformation in ProTaper Universal and Neoniti Rotary Files

Moushekhian, Siavash and Bagheri, Hosein and Shahabi, Ali and Forghani, Maryam (2016) Laboratory Evaluation of Fracture and Deformation in ProTaper Universal and Neoniti Rotary Files. Journal of Mashhad Dental School, 40 (4). pp. 381-388.

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Abstract

Introduction: The aim of this study was to investigate the fraction rate of ProTaper Universal and Neoniti rotary files during the preparation of simulated severely-curved root canals. Materials & Methods: A total of 70 resin blocks with simulated severely-curved canals were randomly divided into two groups and prepared with ProTaper Universal and Neoniti files. Each set of files was used for cleaning and shaping five canals; the files were sterilized after each application. Afterwards, the number of deformed and fractured files was recorded. Results: Deformation was reported in 11.4 and 19 of ProTaper and Neoniti files, respectively (P>0.05). Also, fraction was found in 11.4 of ProTaper files, while no fracture was reported in the Neoniti group; overall, no statistically significant difference was found between the groups (P>0.05). Conclusion: Based on the present findings, there was no significant difference between ProTaper Universal and Neoniti files with respect to the incidence of deformation or fracture during the preparation of severely-curved canals.

Item Type: Article
Subjects: WU Dentistry. Oral surgery
Divisions: Journals > Journal of Mashhad Dental School
Depositing User: jmds jmds
Date Deposited: 20 Sep 2017 12:23
Last Modified: 20 Sep 2017 12:23
URI: http://eprints.mums.ac.ir/id/eprint/1494

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