https://doi.org/10.23805/JO.2024.663

Comparative evaluation of the cyclic fatigue resistance of R-Motion® in comparison to two competitive systems: An in vitro study based on a case report

Vol. 16 No. 3 (2024)
Submitted: 3 July 2024
Accepted: 4 September 2024
Published: 9 September 2024
Cyclic fatigue, NiTi rotary file, Reciprocating
Abstract Views: 251
PDF: 91
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Authors

K. Jordy
Unit of Endodontics and Restorative Dentistry, Department of Medical Biotechnologies, University of Siena, Siena, Italy - Private Practice in Copenhagen, Denmark.
G. Malvicini
giulia.malvicini@student.unisi.it
Unit of Endodontics and Restorative Dentistry, Department of Medical Biotechnologies, University of Siena, Siena, Italy.
A. Tavakkoli
Unit of Endodontics and Restorative Dentistry, Department of Medical Biotechnologies, University of Siena, Siena, Italy.
C. Gaeta
Unit of Endodontics and Restorative Dentistry, Department of Medical Biotechnologies, University of Siena, Siena, Italy.
S. Grandini
Unit of Endodontics and Restorative Dentistry, Department of Medical Biotechnologies, University of Siena, Siena, Italy.

Aim To compare the cyclic fatigue resistance of R-Motion® with two competitive file systems (WaveOne Gold® and Reciproc Blue®) in a simulated root canal based on a case report.

Methodology A metal replica, designed as a copy of the length and curvature of a mesiobuccal canal of an upper first molar originating from a case report, was used as a test phantom to measure the cyclic fatigue resistance of the following files: R-Motion® 25, WaveOne Gold® primary, and Reciproc Blue® R25. A total of 16 file per group were tested in the same reciprocation motion and cyclic fatigue was measured as time to file fracture. An unpaired t-test was used to analyze the data.

Results A statistically significant difference (P < 0,05) was noted between R-Motion® 25 files and WaveOne Gold® primary files. A statistically significant difference (P < 0,05) was noted between R-Motion® 25 files and the Reciproc Blue® R25 files. R-Motion® 25 files were associated with a significant increase in the meantime to fracture when compared to WaveOne Gold® primary files (397,69 ± 66,63 vs 173,50 ± 24,60, respectively) and the Reciproc Blue® R25 files (397,69 ± 66.63 vs 205,13 ± 39.43, respectively).

Conclusion R-Motion® 25 file showed a significantly higher cyclic fatigue resistance compared to WaveOne Gold® primary file and the Reciproc Blue® R25 file.

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How to Cite

Jordy , K., Malvicini, G., Tavakkoli, A., Gaeta , C., & Grandini, S. (2024). Comparative evaluation of the cyclic fatigue resistance of R-Motion<sup>®</sup> in comparison to two competitive systems: An <i>in vitro</i> study based on a case report. Journal of Osseointegration, 16(3), 27–32. https://doi.org/10.23805/JO.2024.663
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