Restorative Dentistry and Endodontics

  • 제45권3호
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  • Pages.30.1-30.11
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  • 2020
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  • 2234-7658(pISSN)
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  • 2234-7666(eISSN)
대한치과보존학회 (The Korean Academy of Conservative Dentistry)
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Micro-computed tomographic assessment of the shaping ability of the One Curve, One Shape, and ProTaper Next nickel-titanium rotary systems

  • Tufenkci, Pelin (Department of Endodontics, Faculty of Dentistry, Hatay Mustafa Kemal University) ;
  • Orhan, Kaan (Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Ankara University) ;
  • Celikten, Berkan (Department of Endodontics, Faculty of Dentistry, Ankara University) ;
  • Bilecenoglu, Burak (Department of Anatomy, Faculty of Dentistry, Ankara University) ;
  • Gur, Gurkan (Department of Conservative Dentistry, Faculty of Dentistry, Ankara University) ;
  • Sevimay, Semra (Department of Endodontics, Faculty of Dentistry, Ankara University)
  • 투고 : 2019.05.21
  • 심사 : 2020.03.04
  • 발행 : 2020.08.31
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초록

Objectives: This micro-computed tomographic (CT) study aimed to compare the shaping abilities of ProTaper Next (PTN), One Shape (OS), and One Curve (OC) files in 3-dimensionally (3D)-printed mandibular molars. Materials and Methods: In order to ensure standardization, 3D-printed mandibular molars with a consistent mesiobuccal canal curvature (45°) were used in the present study (n = 18). Specimens were instrumented with the OC, OS, or PTN files. The teeth were scanned pre- and post-instrumentation using micro-CT to detect changes of the canal volume and surface area, as well as to quantify transportation of the canals after instrumentation. Two-way analysis of variance was used for statistical comparisons. Results: No statistically significant differences were found between the OC and OS groups in the changes of the canal volume and surface area before and after instrumentation (p > 0.05). The OC files showed significantly less transportation than the OS or PTN systems for the apical section (p < 0.05). In a comparison of the systems, similar values were found at the coronal and middle levels, without any significant differences (p > 0.05). Conclusions: These 3 instrumentation systems showed similar shaping abilities, although the OC file achieved a lesser extent of transportation in the apical zone than the OS and PTN files. All 3 file systems were confirmed to be safe for use in mandibular mesial canals.

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참고문헌

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피인용 문헌

  1. Micro-computed tomography in preventive and restorative dental research: A review vol.51, 2020, https://doi.org/10.5624/isd.20210087