Comparative evaluation of centering ability of Hero Shaper and RaCe using computed tomography (C.T)-an in-vitro study
Journal Title: Scholars Journal of Dental Sciences - Year 2015, Vol 2, Issue 7
Abstract
Abstract: The aim of this study was to compare the centring ability of two nickel-titanium instrumentation techniques in curved canals using CT- Scan. Forty extracted human permanent mandibular first and second molars were divided into 2 experimental groups, each comprising of twenty teeth, and prepared with Hero Shaper and RaCe using the crown-down technique. Computed tomography scans were taken preoperatively and postoperatively, images were superimposed and aberrations were recorded. Image analysis was done using Extended Brilliance Workspace V3.5.02250 software for evaluation of canal transportation and canal centering ability. Data was then statistically analyzed using analysis of variance. There was no statistically significance in transportation and centering ability at any of the three locations (coronal, middle and apical). Canals prepared with RaCe had more canal transportation at all the three levels of root canal (coronal, middle and apical). Canals prepared with Hero Shaper were well centered at all the three levels of root canal (coronal, middle and apical). Keywords: Hero Shaper, RaCe, canal centering ability, canal transportation, computed tomography.
Authors and Affiliations
Dr. Kaustubh Khatod, Dr. Ajay Saxena, Dr. Manoj chandak, Dr. Abhilash dass
Keywords
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