Journal of Oral Science Research ›› 2017, Vol. 33 ›› Issue (4): 444-448.DOI: 10.13701/j.cnki.kqyxyj.2017.04.024

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Comparison of Shaping Ability of ProTaper Next and M3 in Simulated Curved Root Canals.

WANG Tian*, LI Gui-hong.   

  1. Department of Conservative Dentistry & Endodontics, Affiliated Stomatological Hospital of Nankai University, Stomatological Hospital of Tianjin, Tianjin 300041, China.
  • Received:2016-09-05 Online:2017-04-20 Published:2017-04-24

Abstract: Objective: To compare the shaping ability of ProTaper Next and M3 in simulated curved root canals. Methods: A total of 30 simulated root canals were selected and randomly divided into 3 groups (n=10): the PU group, the PN group and the M3 group. The simulated root canals were prepared with 3 instruments, respectively. The efficacy of the shaping ability of canal preparation was analyzed. The pre-instrumentation and post-instrumentation images were recorded and the assessment of the canal shape was completed with Photoshop CS6 and Image Pro Plus6.0. The apical transportation indices and the amounts of apically extruded debris were recorded. Results: Statistically significant difference was found in mean working time and transportation of the simulated root canals at the most levels between PU group, PN group and M3 group. No Statistically significant difference was found in mean working time and transportation of the simulated root canals at the most levels between PN group and M3 group. The amounts of apically extruded debris by PU group and M3 group were more than PN group with significantly differences. Conclusion: ProTaper Next and M3 tested in this study were effective and time-saving in shaping simulated root canals. The results indicated both ProTaper Next and M3 were comparable to optimally enlarge root canal.

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