ArticleJournal of conservative dentistry and endodontics2026
Evaluation of bending test, cyclic fatigue, and buckling resistance test using rotary Nickel-Titanium files of three types: An
Article in Journal of conservative dentistry and endodontics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Aim: This study aimed to compare the bending resistance, cyclic fatigue resistance, and buckling resistance of three types of Nickel-Titanium (NiTi) rotary files. Materials and Methods: Ninety NiTi files (size 25.06 or equivalent) were divided into three groups ( Results: Significant differences were found across all properties ( Conclusion: Within the limitations of this study, TruNatomy proved to be the most flexible and fatigue-resistant system but exhibited the lowest buckling resistance. Conversely, ProTaper Ultimate demonstrated the highest buckling resistance but the lowest fatigue life, while Endostar offered balanced performance across all the parameters. These findings suggest that instrument selection should be tailored to specific canal anatomies and clinical requirements to optimize safety and minimize the risk of separation.
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