Comparison of the cyclic fatigue resistance of VDW.ROTATE, TruNatomy, 2Shape, and HyFlex CM nickel-titanium rotary files at body temperature

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dc.authorid0000-0001-8656-7101
dc.contributor.authorGündoğar, Mustafa
dc.contributor.authorUslu, Gülşah
dc.contributor.authorÖzyürek, Taha
dc.contributor.authorPlotino, Gianluca
dc.date.accessioned2021-04-05T07:27:08Z
dc.date.available2021-04-05T07:27:08Z
dc.date.issued2020
dc.departmentİstanbul Medipol Üniversitesi, Diş Hekimliği Fakültesi, Endodonti Ana Bilim Dalı
dc.description.abstractObjectives: This study aims to compare the cyclic fatigue resistance of VDW.ROTATE, TruNatomy, 2Shape, and HyFlex CM nickel-titanium (NiTi) rotary files at body temperature.Materials and methods: In total, 80 VDW.ROTATE (25/0.04), TruNatomy (26/0.04), 2Shape (25/0.04), and HyFlex CM (25/0.04) NiTi rotary files (n = 20 in each group) were subjected to static cyclic fatigue testing at body temperature (37°C) in stainless-steel artificial canals prepared according to the size and taper of the instruments until fracture occurred. The number of cycles to fracture (NCF) was calculated, and the lengths of the fractured fragments were measured. The data were statistically analyzed using a 1-way analysis of variance and post hoc Tamhane tests at the 5% significance level (p < 0.05).Results: There were significant differences in the cyclic fatigue resistance among the groups (p < 0.05), with the highest to lowest NCF values of the files as follows: VDW.ROTATE, HyFlex CM, 2Shape, and TruNatomy. There was no significant difference in the lengths of the fractured fragments among the groups. The scanning electron microscope images of the files revealed typical characteristics of fracture due to cyclic fatigue.Conclusions: The VDW.ROTATE files had the highest cyclic fatigue resistance, and the TruNatomy and 2Shape files had the lowest cyclic fatigue resistance in artificial canals at body temperature.
dc.identifier.citationGündoğar, M., Uslu, G., Özyürek, T. ve Plotino, G. (2020). Comparison of the cyclic fatigue resistance of VDW.ROTATE, TruNatomy, 2Shape, and HyFlex CM nickel-titanium rotary files at body temperature. Restorative Dentistry & Endodontics, 45(3). https://doi.org/10.5395/rde.2020.45.e37
dc.identifier.doi10.5395/rde.2020.45.e37
dc.identifier.issn2234-7658
dc.identifier.issn2234-7666
dc.identifier.issue3
dc.identifier.urihttps://doi.org/10.5395/rde.2020.45.e37
dc.identifier.urihttps://hdl.handle.net/20.500.12511/6686
dc.identifier.volume45
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherKorean Academy of Conservative Dentistry
dc.relation.ispartofRestorative Dentistry & Endodonticsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectBody Temperature
dc.subjectCyclic Fatigue
dc.subjectEndodontics
dc.subjectLiquid Ambient
dc.subjectNiTi Instruments
dc.titleComparison of the cyclic fatigue resistance of VDW.ROTATE, TruNatomy, 2Shape, and HyFlex CM nickel-titanium rotary files at body temperature
dc.typeArticle

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