Quality of curing in relation to different light sources by measuring hardness, degree of conversion and depth of cure

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dc.contributor.authorZorba, Y. Orcun
dc.contributor.authorBayindir, Y. Z.
dc.contributor.authorTurgut, H.
dc.contributor.authorYildiz, M.
dc.date.accessioned2020-06-25T17:48:09Z
dc.date.available2020-06-25T17:48:09Z
dc.date.issued2009
dc.departmentKırıkkale Üniversitesi
dc.description.abstractThis study was to determine the quality of curing of second generation light emitting diode (LED-II) compared to a first generation LED (LED-I) and conventional halogen (quartz tungsten halogen) light curing unity by measuring depth of cure, degree of polymerisation and surface hardness. Filtek Z-250 hybrid composite resin (3M-ESPE, Germany), with shade A2, was used in this study. One quartz tungsten halogen/light curing unit (LCU) (Hilux, Benlioglu Dental, Turkey), one LED-I-LCU unit (Elipar Freelight 3M-ESPE, Germany) and one LED-II-LCU (Elipar Freelight, 3M-ESPE, Germany) were used for polymerisation of the composite resin. The depth of cure was obtained with scrape test, degree of cure was measured with Fourier transform infrared spectrometer (Spectrum-One, Perkin-Elmer, USA) and surface hardness was calculated with surface hardness tester (Micromet-2001, Buehler, Dusseldorf, Germany). The data were analysed by Kruskal Wallis and Mann Whitney-U. The polymerisation depth of LED-I-LCU was significantly lower than that of the other LCUs (p<0.05). However, no significant differences were obtained among all tested systems in point of degree of cure and surface hardness at 2 mm depth. Within the limitations of this study, although LED-I showed lower depth of cure, all tested systems appear suitable for routine clinical practice for polymerisation of the composite resin.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1179/143289109X12494867167521
dc.identifier.endpage467en_US
dc.identifier.issn1432-8917
dc.identifier.issn1433-075X
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-74549212601
dc.identifier.scopusqualityQ2
dc.identifier.startpage464en_US
dc.identifier.urihttps://doi.org/10.1179/143289109X12494867167521
dc.identifier.urihttps://hdl.handle.net/20.500.12587/4330
dc.identifier.volume13en_US
dc.identifier.wosWOS:000273347600011
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherManey Publishingen_US
dc.relation.ispartofMaterials Research Innovations
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDegree of polymerisationen_US
dc.subjectDental poymersen_US
dc.subjectStructure-property relationsen_US
dc.subjectLight emitting diodesen_US
dc.subjectQuartz tungsten halogenen_US
dc.titleQuality of curing in relation to different light sources by measuring hardness, degree of conversion and depth of cureen_US
dc.typeArticle

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