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ORIGINAL RESEARCH Table of Contents   
Year : 2016  |  Volume : 27  |  Issue : 1  |  Page : 37-41
Shaping ability of ProTaper Gold and ProTaper Universal files by using cone-beam computed tomography

1 Department of Endodontics, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
2 Department of Dental Biomaterials, Faculty of Dentistry, Mansoura University, Mansoura, Egypt; Department of Restorative Dental Sciences, Al Farabi College of Dentistry and Nursing, Jeddah, Kingdom of Saudi Arabia, Kingdom of Saudi Arabia

Correspondence Address:
Amr M Elnaghy
Department of Endodontics, Faculty of Dentistry, Mansoura University, Mansoura
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-9290.179812

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Context: This study evaluated and compared the shaping ability of ProTaper Gold (PG) (PG; Dentsply, Tulsa Dental Specialties, Tulsa, OK, USA) system with ProTaper Universal (PU) (PU; Dentsply Maillefer, Ballaigues, Switzerland) using cone-beam computed tomography (CBCT) imaging. Materials and Methods: Forty mesiobuccal canals of mandibular first molars with curvatures of 25−30° were divided into two experimental groups (n = 20) according to the rotary nickel-titanium (NiTi) file system used in canal instrumentation as follows: Group PG and group PU. Canals were scanned before and after instrumentation using CBCT scanner to evaluate root canal transportation and centering ratio at 3, 5, and 7 mm from the apex and volumetric changes. Data were statistically analyzed using independent t-tests and the significance level was set at P < 0.05. Results: There was no significant difference between PG and PU systems in the mean volume of removed dentine, canal transportation, and centering ratio (P > 0.05). Conclusions: The PG and PU NiTi rotary systems showed similar root canal shaping abilities in the preparation of mesial canals of mandibular first molars.

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