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Knoop hardness of dental resin cements: Effect of veneering material and light curing methods

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dc.contributor.authorTango, Rubens Nisie
dc.contributor.authorCoelho Sinhoreti, Mario Alexandre
dc.contributor.authorCorrer, Americo Bortolazzo
dc.contributor.authorJochims Schneider, Luis Felipe
dc.contributor.authorKimpara, Estevão Tomomitsu [UNESP]
dc.contributor.authorCorrer-Sobrinho, Lourenco
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:20:28Z
dc.date.available2014-05-20T15:20:28Z
dc.date.issued2007-04-01
dc.description.abstractThis study evaluated the Knoop hardness of one resin cement (dual-cure mode or light-cure mode) when illuminated directly or through restorative materials-ceramic (HeraCeram) or composite (Artglass)-by two light curing units. Light curing was carried out using a conventional quartz tungsten halogen (QTH) light source (XL2500) for 40 s, and a light emitting diodes (LED) light source (Ultrablue Is) for 40 s. Bovine incisors had their buccal faces flattened and hybridised. on these surfaces, a mould was seated and filled with cement. A disc of the veneering material (1.5 mm thickness) was positioned over this set for light curing. After storage (24 h/37 degrees C), samples (n = 10) were sectioned for hardness (KHN) measurements. Data were submitted to ANOVA and to Tukey's test (alpha = 0.05). In general, light curing with LED resulted in higher hardness values than QTH. Distinct cement behaviour was observed with different veneering material in association with different light curing units (LCUs). (C) 2006 Elsevier Ltd. All rights reserved.en
dc.description.affiliationUniv Estadual Campinas, Piracicaba Dent Sch, Piracicaba, SP, Brazil
dc.description.affiliationUNESP, Sao Jose dos Campos Dent Sch, Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationUnespUNESP, Sao Jose dos Campos Dent Sch, Sao Jose Dos Campos, SP, Brazil
dc.format.extent268-273
dc.identifierhttp://dx.doi.org/10.1016/j.polymertesting.2006.10.010
dc.identifier.citationPolymer Testing. Oxford: Elsevier B.V., v. 26, n. 2, p. 268-273, 2007.
dc.identifier.doi10.1016/j.polymertesting.2006.10.010
dc.identifier.issn0142-9418
dc.identifier.lattes9138716680440603
dc.identifier.lattes0967916388665754
dc.identifier.orcid0000-0003-0586-4644
dc.identifier.orcid0000-0003-0946-1826
dc.identifier.urihttp://hdl.handle.net/11449/31751
dc.identifier.wosWOS:000244769400017
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofPolymer Testing
dc.relation.ispartofjcr2.247
dc.relation.ispartofsjr0,669
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectresin cementpt
dc.subjecthardnesspt
dc.subjectphoto-activationpt
dc.subjectresin compositept
dc.subjectceramicpt
dc.titleKnoop hardness of dental resin cements: Effect of veneering material and light curing methodsen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.author.lattes9138716680440603[1]
unesp.author.lattes0967916388665754[5]
unesp.author.orcid0000-0003-0586-4644[5]
unesp.author.orcid0000-0003-0946-1826[1]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Ciência e Tecnologia, São José dos Campospt
unesp.departmentMateriais Odontológicos e Prótese - ICTpt

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São José dos Campos - ICT - Instituto de Ciência e Tecnologia