Mechanical properties of the new generation RACE EVO and r-motion nickel-titanium instruments

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dc.authorid0000-0001-8656-7101
dc.contributor.authorBaştürk, Fatıma Betül
dc.contributor.authorÖzyürek, Taha
dc.contributor.authorUslu, Gülşah
dc.contributor.authorGündoğar, Mustafa
dc.date.accessioned2022-05-27T09:55:29Z
dc.date.available2022-05-27T09:55:29Z
dc.date.issued2022
dc.departmentİstanbul Medipol Üniversitesi, Diş Hekimliği Fakültesi, Endodonti Ana Bilim Dalı
dc.description.abstractThis study aimed to evaluate and compare the dynamic cyclic fatigue, torsional and bending resistance of two novel RACE EVO (FKG Dentaire SA, La Chaux de Fonds, Switzerland) and R-Motion (FKG) nickel-titanium instruments with traditional RaCe (FKG) instruments. RACE EVO, R-Motion and RaCe instruments with a size of 25 and taper of 0.06 were used. A dynamic cyclic fatigue test was used to assess the time to fracture. The fractured surfaces were further analyzed using scanning electron microscopy at x350 and x3000 magnifications. A torsional resistance test was performed to measure the maximum torsional strength and angle of rotation. Phase transformations with temperature were evaluated using differential scanning calorimetry. The results were statistically analyzed with a Kruskal-Wallis test at a 5% significance level. R-Motion had the highest time to fracture and the lowest torsional and bending resistance, whereas RaCe had the lowest time to fracture and the highest torsional and bending resistance (p < 0.05). In relation to the angle of rotation, RACE EVO instruments had the highest deformation capacity followed by R-Motion and RaCe instruments (p < 0.05). The greater cyclic fatigue resistance and lower torsional and bending resistance results indicate that the novel R-Motion and RACE EVO instruments are less rigid and more flexible than RaCe instruments.
dc.identifier.citationBaştürk, F. B., Özyürek, T., Uslu, G. ve Gündoğar, M. (2022). Mechanical properties of the new generation RACE EVO and r-motion nickel-titanium instruments. Materials, 15(9). https://doi.org/10.3390/ma15093330
dc.identifier.doi10.3390/ma15093330
dc.identifier.issn1996-1944
dc.identifier.issue9
dc.identifier.pmid35591664
dc.identifier.scopus2-s2.0-85130636659
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.3390/ma15093330
dc.identifier.urihttps://hdl.handle.net/20.500.12511/9475
dc.identifier.volume15
dc.identifier.wos000794525900001en_US
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorGündoğar, Mustafa
dc.language.isoen
dc.publisherMDPI
dc.relation.ispartofMaterialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsAttribution 4.0 International*
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/*
dc.subjectBending Resistance
dc.subjectDynamic Cyclic Fatigue Resistance
dc.subjectDifferential Scanning Calorimetry
dc.subjectReciprocation
dc.subjectTorsion
dc.titleMechanical properties of the new generation RACE EVO and r-motion nickel-titanium instruments
dc.typeArticle

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