COMPARISON OF CANAL TRANSPORTATION AND CENTERING ABILITY OF XP SHAPER, WAVEONE AND ONESHAPE: A CONE BEAM COMPUTED TOMOGRAPHY STUDY OF CURVED ROOT CANALS

Document Type : Original Article

Authors

1 Department of Endodontics, Faculty of Dentistry, Minia University

2 Department of Endodontics, Faculty of Dentistry, Cairo University.

3 Oral and Maxillofacial Radiology Department, Faculty of Dentistry, Cairo University

Abstract

This study investigated the shaping abilities of XP Shaper and compared it with other single file NiTi systems using full rotation and reciprocation motion by cone beam computed tomography. Mesiobuccal canal of forty-five mandibular first molars, were divided into three equal groups, using WaveOne, OneShape and XP shaper. Pre-and post instrumentation images were obtained at 3mm, 5mm and 7mm from the apex and were assessed to determine canal transportation and centering ability. Data were analyzed using Kruskal-Wallis test for comparing the three systems, while Friedman’s test was used to compare between the root levels. WaveOne and OneShape showed the highest mean amount of transportation with no statistically significant difference between them. XP Shaper showed the lowest statistically significantly mean amount of transportation. There was a statistically significant difference in the canal centring ability among the three instruments used. It was concluded that XP shaper preserved the original canal shape better than WaveOne and OneShape.

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