Influence of environmental temperature, heat-treatment and design on the cyclic fatigue resistance of three generations of a single-file nickel-titanium rotary instrument

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dc.authorid0000-0001-8656-7101
dc.contributor.authorStaffoli, Simone
dc.contributor.authorGrande, Nicola Maria
dc.contributor.authorPlotino, Gianluca
dc.contributor.authorÖzyürek, Taha
dc.contributor.authorGündoğar, Mustafa
dc.contributor.authorFortunato, Leonzio
dc.contributor.authorPolimeni, Antonella
dc.date.accessioned10.07.201910:49:13
dc.date.accessioned2019-07-10T20:02:13Z
dc.date.available10.07.201910:49:13
dc.date.available2019-07-10T20:02:13Z
dc.date.issued2019
dc.departmentİstanbul Medipol Üniversitesi, Diş Hekimliği Fakültesi, Endodonti Ana Bilim Dalı
dc.descriptionWOS: 000471055600004
dc.descriptionPubMed ID: 30483996
dc.description.abstractThe aim of the present study was to evaluate the effect of environmental temperature, heat-treatment*** and design on the cyclic fatigue resistance of OneShape (OS), OneShape new generation (OSNG) and One Curve (OC) NiTi rotary single-file instruments. Cyclic fatigue testing of NiTi instruments was performed in an artificial canal with a 5-mm radius of curvature and a 60 degrees angle of curvature located 5mm from the tip of the instrument. During the experiment 3 different temperatures were used in a thermostatic bath with electronic and infrared controls: 0 degrees, 20 degrees and 35 degrees C. Sixty OneShape, 60 OneShape new generation and 60 One Curve instruments were rotated in the artificial canal until fracture occurred and the number of cycles to fracture (NCF) and the length of the fractured fragment (FL) was recorded. Data were analyzed by one-way ANOVA test at the 5% significance level. Fatigue resistance was significantly higher as the environmental temperature decreased, with differences ranging from 61 to 791%. OC instruments were significantly more resistant to cyclic fatigue than OS and OSNG instruments at all the temperatures tested (P<0.05). There was no significant difference with respect to the length of the fractured file fragments for all the instruments tested at all the temperatures tested (P>0.05). Within the limitation of the present study, fatigue resistance of the files was significantly increased when the environmental temperature decreased. OC instruments were significantly more resistant to cyclic fatigue than OS and OSNG instruments at all the temperatures tested.
dc.identifier.citationStaffoli, S., Grande, N. M., Platino, G., Özyürek, T., Gündoğar, M., Fortunato, L. ve Polimeni, A. (2019). Influence of environmental temperature, heat-treatment and design on the cyclic fatigue resistance of three generations of a single-file nickel-titanium rotary instrument. Odontology, 107(3), 301-307. https://dx.doi.org/10.1007/s10266-018-0399-5
dc.identifier.doi10.1007/s10266-018-0399-5
dc.identifier.endpage307
dc.identifier.issn1618-1247
dc.identifier.issn1618-1255
dc.identifier.issue3
dc.identifier.scopusqualityQ2
dc.identifier.startpage301
dc.identifier.urihttps://dx.doi.org/10.1007/s10266-018-0399-5
dc.identifier.urihttps://hdl.handle.net/20.500.12511/3584
dc.identifier.volume107
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofOdontologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectCyclic Fatigue
dc.subjectDifferential Scanning Calorimetry
dc.subjectHeat-Treatment
dc.subjectOne Curve
dc.subjectOneShape
dc.titleInfluence of environmental temperature, heat-treatment and design on the cyclic fatigue resistance of three generations of a single-file nickel-titanium rotary instrument
dc.typeArticle

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