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Acta Odontológica Latinoamericana
versión On-line ISSN 1852-4834
Resumen
HASSAN, Reham; ROSHDY, Nehal y ISSA, Noha. Comparison of canal transportation and centering ability of Xp Shaper, WaveOne and Oneshape: A cone beam computed tomography study of curved root canals. Acta odontol. latinoam. [online]. 2018, vol.31, n.1, pp.67-74. ISSN 1852-4834.
The aim of the present study was to investigate the shaping abilities of XP Shaper and compare it with other single file rotary NiTi systems utilizing full rotation and reciprocation motion, by cone beam computed tomography. Mesiobuccal canals of forty-five mandibular first molars, were allocated into three equal groups (n=15) according to the rotary system applied; WaveOne, OneShape and XP shaper. Pre-and post-instrumentation images were obtained at 3mm, 5mm and 7mm from the apex using cone beam computed tomography and assessed to determine canal transportation and centering ability. Data were analyzed using Kruskal-Wallis test to compare the three systems and Friedman's test to compare the root levels. Results showed that WaveOne and OneShape rotary systems produced greatest mean transportation with no statistically significant difference between them, while XP Shaper produced the lowest statistically significant mean transportation. Canal centering ability differed significantly among the three systems used. It was concluded that XP shaper preserved the original canal anatomy better than WaveOne and OneShape rotary systems.
Palabras clave : Root canal; Cone beam computed tomography.