Effect of light-emitting diode on bond strength of orthodontic brackets

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dc.contributor.authorUsumez, S
dc.contributor.authorBuyukyilmaz, T
dc.contributor.authorKaraman, AI
dc.date.accessioned2020-03-26T16:48:18Z
dc.date.available2020-03-26T16:48:18Z
dc.date.issued2004
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe aim of this study was to evaluate the effect of light-emitting diode (LED) light curing on shear bond strength (SBS) of orthodontic brackets bonded to teeth. Light exposure of 40 seconds from a conventional halogen-based light-curing unit was used as a control. Eighty human premolars were divided into four groups of 20 each. Brackets were bonded to acid-etched teeth with Transbond XT light-cured adhesive. In the first group, the adhesive was light cured for 40 seconds with a conventional halogen unit (XL3000, 3M). In the other three groups, adhesive was cured with a commercial LED unit (Elipar FreeLight, 3M ESPE) for 10, 20, or 40 seconds. SBS of brackets was measured on a universal testing machine and recorded in megapascals. Adhesive remnant index (ARI) scores were determined after failure of brackets. Data were analyzed using analysis of variance and chi-square tests. No statistically significant differences were found among the SBS values of halogen-based light-cured (13.1 +/- 3.1 MPa) and 20- and 40-second LED-cured (13.9 +/- 4.8 MPa and 12.7 +/- 5.1 MPa) specimens (P > .05). However, 10 seconds of LED curing yielded significantly lower SBS (P < .05). No statistically significant differences were found between the ARI scores among groups. The results of this study are promising for the orthodontic application of LED-curing units, but further compatibility and physical characteristic studies of various orthodontic adhesives and clinical trials should be performed before validation.en_US
dc.identifier.endpage263en_US
dc.identifier.issn0003-3219en_US
dc.identifier.issue2en_US
dc.identifier.pmid15132454en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage259en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12395/19014
dc.identifier.volume74en_US
dc.identifier.wosWOS:000220792600021en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherE H ANGLE EDUCATION RESEARCH FOUNDATION, INCen_US
dc.relation.ispartofANGLE ORTHODONTISTen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectLEDen_US
dc.subjectbond strengthen_US
dc.subjectbracket bondingen_US
dc.titleEffect of light-emitting diode on bond strength of orthodontic bracketsen_US
dc.typeArticleen_US

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