ArticleIranian endodontic journal2026
Cyclic Fatigue Resistance, Macroscopic, Microscopic, and Elemental Analysis of Three Reciprocating Systems.
Article in Iranian endodontic journal, 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
Introduction: The aim was to compare the cyclic fatigue resistance and the macroscopic, microscopic, and elemental characteristics of three reciprocating endodontic systems. Materials and Methods: An Results: RWB showed the highest resistance to cyclic fatigue, with higher FT and NCF values. The pitch and its distribution differed among all groups. SEM analysis revealed a higher loss of cutting-edge sharpness on TF4 instruments and greater tip deformation on WOG when used. EDX analysis showed no significant differences in elemental composition among the systems. Conclusion: RWB demonstrated superior cyclic fatigue resistance. Additionally, the systems had similar chemical compositions but differed in performance, which could be associated with variations in their alloy characteristics, design, and heat treatment.
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