Shaping Ability of the Fifth Generation Ni-Ti Rotary Systems for Root Canal Preparation in Curved Root Canals using Cone-Beam Computed Tomographic: An In Vitro Study
نویسندگان
چکیده
Contributors: 1Reader, Department of Conservative Dentistry and Endodontics, SDS, Karad, Maharashtra, India; 2Professor and Head, Department of Conservative Dentistry and Endodontics, SDS, Karad, Maharashtra, India; 3Post-graduate Student, Department of Conservative Dentistry and Endodontics, SDS, Karad, Maharashtra, India Correspondence: Dr. Jain D. Department of Conservative Dentistry and Endodontics, School of Dental Sciences, Karad, Maharashtra, India. 803 Green Blaze Society, Juhu Versova Link Road, Andheri West, Mumbai 400 058, Maharashtra, India. Phone: +91-9820514093. Email: [email protected] How to cite the article: Jain D, Medha M, Patil N, Kadam N, Yadav V, Jagadale H. Shaping ability of fi fth generation Ni-Ti rotary systems for root canal preparation in curved root canals using cone-beam computed tomographic: An in vitro study. J Int Oral Health 2015;7 (Suppl 1):57-61. Abstract: Background: Various root canal systems are available commercially with each manufacturer stating superior characteristics of their respective systems. The fi fth generation root canal systems claim to have better fl exibility and superior debris elimination due to their off set design. This study aims to compare the eff ects of fi fth generation rotary systems on canal curvature, transportation and centering ratio of curved mesial root canals of mandibular molar via cone-beam computed tomographic (CBCT) imaging. Materials and Methods: With curvature ranging from 20° to 40°, 60 mandibular fi rst molars with mesiobuccal root angle were divided into three groups with 20 canals each. Before instrumentation, the groups were balanced with respect to the angle of canal curvature based on CBCT images taken. All root canals were shaped to an apical size of 25: OneShape (OS) (Micro Mega, Besancon, France), ProTaper Next (PTN) (Dentsply Maillefer), Revo S (RS) (Micro Mega, Besancon, France). CBCT assessment was done post instrumentation. SPSS version 16 software was used for statistical analysis. The signifi cance level was set at P = 0.05. Results: The RS system maintained better canal centricity and less transportation as compared to PTN and OS. There was no signifi cant diff erence among the three groups in canal curvature after instrumentation. Conclusions: All fi le systems used straightened the root canal curvature similarly. RS instrumentation exhibited superior performance compared with the OS and PTN systems with respect to transportation and centering ratio.
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