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Surface roughness and cyclic fatigue resistance of a novel shaping system: An in-vitro study.

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  • المؤلفون: Özel B;Özel B; Barut G; Barut G; Baser Can ED; Baser Can ED
  • المصدر:
    PloS one [PLoS One] 2024 May 02; Vol. 19 (5), pp. e0302551. Date of Electronic Publication: 2024 May 02 (Print Publication: 2024).
  • نوع النشر :
    Journal Article; Research Support, Non-U.S. Gov't
  • اللغة:
    English
  • معلومة اضافية
    • المصدر:
      Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
    • بيانات النشر:
      Original Publication: San Francisco, CA : Public Library of Science
    • الموضوع:
      Surface Properties* ; Titanium*/chemistry ; Nickel*/chemistry; Microscopy, Atomic Force ; Materials Testing ; Root Canal Preparation/instrumentation
    • نبذة مختصرة :
      Competing Interests: The authors have declared that no competing interests exist.
      Recently developed Nickel-Titanium (NiTi) instruments with practical changes have resulted in safer instrumentation. In addition, topographical features on the file surface are a contributing factor to clinical durability. Therefore, this study aimed to investigate both the cyclic fatigue resistance and the roughness change of MTwo and Rotate instruments (VDW, Munich, Germany). Each instrument (n = 6/each group) was scanned with an atomic force microscopy prior to and after instrumentation. In addition, cyclic fatigue testing was conducted for each instrument (n = 11/each group) with stainless-steel blocks, including 45°-60°-90° degrees of curvature milled to the instruments' size. The roughness parameters increased for both systems after instrumentation (p<0.05). Both systems presented an increased roughness following instrumentation (p<0.05). The cyclic fatigue resistance was lowest at 90° for both systems (p<0.05), whereas the Rotate files presented a higher resistance than that of the Mtwo files (p<0.05). Compared to the Mtwo files, Rotate files presented better resistance, while the resistance decreased as the curvature increased.
      (Copyright: © 2024 Özel et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
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    • الرقم المعرف:
      D1JT611TNE (Titanium)
      7OV03QG267 (Nickel)
      12035-60-8 (titanium nickelide)
    • الموضوع:
      Date Created: 20240502 Date Completed: 20240502 Latest Revision: 20240504
    • الموضوع:
      20250114
    • الرقم المعرف:
      PMC11065293
    • الرقم المعرف:
      10.1371/journal.pone.0302551
    • الرقم المعرف:
      38696475