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Shaping ability of four root canal instrumentation systems in simulated 3D-printed root canal models

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  • David Christofzik
  • Andreas Bartols
  • Mahmoud Khaled Faheem
  • Doreen Schroeter
  • Birte Groessner-Schreiber
  • Christof E Doerfer

Abstract

Introduction: The aim of this study was to compare the shaping ability of four root canal preparation systems in newly developed 3D-printed root canal models. Materials and methods: For this study, 1080 3D-printed acrylic resin blocks with nine different root canal configurations were produced. They were prepared with Reciproc R25 (#25), F6 SkyTaper (#25 and #30) F360 (#25 and #35) and One Shape (#25) (N = 30 per system). Pre- and post-instrumentation images were superimposed for evaluation of the centering ratio of the different systems. Ledges, instrument fractures and preparation times were also recorded. Analysis of variance (ANOVA) and post-hoc Tukey tests were conducted, comparing the mean canal centering ratios and the mean preparation times. Results: There were significant differences between all systems regarding the centering ratios in the different root canal configurations (ANOVA p

Suggested Citation

  • David Christofzik & Andreas Bartols & Mahmoud Khaled Faheem & Doreen Schroeter & Birte Groessner-Schreiber & Christof E Doerfer, 2018. "Shaping ability of four root canal instrumentation systems in simulated 3D-printed root canal models," PLOS ONE, Public Library of Science, vol. 13(8), pages 1-14, August.
    • Handle: RePEc:plo:pone00:0201129
    DOI: 10.1371/journal.pone.0201129
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