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VOLUME 14 , ISSUE 11 ( November, 2023 ) > List of Articles

ORIGINAL RESEARCH

A Comparative Evaluation of Centering Ratio of VDW.ROTATE NiTi File in Simulated Curved Root Canals: An In Vitro Study

Zaid M Al-Sarraf, Hikmet A Al-Gharrawi

Keywords : Canal transportation, Centering ratio, Nickel-titanium endodontic files, Root canal preparation, VDW.ROTATE

Citation Information : Al-Sarraf ZM, Al-Gharrawi HA. A Comparative Evaluation of Centering Ratio of VDW.ROTATE NiTi File in Simulated Curved Root Canals: An In Vitro Study. World J Dent 2023; 14 (11):953-959.

DOI: 10.5005/jp-journals-10015-2328

License: CC BY-NC 4.0

Published Online: 16-01-2024

Copyright Statement:  Copyright © 2023; The Author(s).


Abstract

Aim: The present study aimed to evaluate the canal transportation and centering ratio of VDW.ROTATE compared with ProTaper Gold, 2Shape, and One Curve nickel-titanium (NiTi) rotary systems in simulated curved canals. Materials and methods: A total of 60 simulated canals were divided into four groups of 15 canals according to the file system used to prepare the canals, which were group I for VDW.ROTATE, group II for ProTaper Gold, group III for 2Shape, and group IV for One Curve. Each canal was prepared to an apical size of 25 for all groups. Transportation measurements were taken at five different levels: level 1, at a distance of 5 mm from the canal orifice; level 2, at 7 mm from the canal orifice; level 3, at the curve's beginning; level 4, at the curve's crest; and level 5, at 1 mm from the preparation's terminus. Pre- and postoperative images of the simulated canals were acquired in a standardized approach using a digital microscope. Photoshop CS5 was used to combine the images. Digimizer Image Analysis Software was utilized to calculate the canal shape. Results: The results of analysis of variance (ANOVA) showed that there was no significant difference (p > 0.05) regarding canal transportation and the centering ratio at levels 1, 2, and 3. While there was a significant difference (p < 0.05) among the groups at the last two levels. The Tukey test showed that VDW.ROTATE file produced significantly (p < 0.05) more centered preparation than other tested files at levels 4 and 5, followed by the ProTaper Gold file, 2Shape, and One Curve. Conclusion: VDW.ROTATE produced more centered canal preparation than ProTaper Gold, 2Shape, and One Curve at the apical region. Clinical significance: The tested NiTi endodontic instrument can be used safely without serious preparation errors during the shaping of root canals.

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