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Effect of weathering and thickness on the superficial microhardness of acrylic resin and ocular button

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dc.contributor.authorRocha Fernandes, Aline Ursula
dc.contributor.authorGoiato, Marcelo Coelho [UNESP]
dc.contributor.authorSantos, Daniela Micheline dos [UNESP]
dc.contributor.institutionUniversidade de Brasília (UnB)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2013-09-30T18:30:19Z
dc.date.accessioned2014-05-20T13:43:51Z
dc.date.available2013-09-30T18:30:19Z
dc.date.available2014-05-20T13:43:51Z
dc.date.issued2009-12-01
dc.description.abstractPurpose: This study evaluated the effects of weathering (1008 h) and thickness (1 and 3.5 mm) on the superficial microhardness of the ocular button, using five colorless acrylic resins, and colorless buttons specific for ocular prosthesis.Materials and methods: One-hundred-and-twenty specimens were made and distributed allocated to 12 groups. Microhardness analysis was carried out with a microdurometer (Shimadzu, Japan) before and after weathering for 1008 h. Data were then analyzed statistically by ANOVA and the Tukey Test at 1% significance.Results: The data demonstrated that the ocular button and the QC 20 resin presented, respectively, the highest (22.9) and lowest (18.31) values of surface microhardness (Knoop), independently of the variable evaluated.Conclusion: Thickness did not influence the property studied, and the specimens presented higher mean values of superficial microhardness after weathering for 1008 h. (C) 2009 British Contact Lens Association. Published by Elsevier Ltd. All rights reserved.en
dc.description.affiliationUniversidade de Brasilia (UnB) UnB, Barsilia, DF, Brazil
dc.description.affiliationUniv State São Paulo, Fac Dent Aracatuba, Dept Dent Mat & Prosthesis, São Paulo, Brazil
dc.description.affiliationUniv State São Paulo, UNESP, Aracatuba, SP, Brazil
dc.description.affiliationUnespUniv State São Paulo, UNESP, Aracatuba, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: 07/54932
dc.format.extent283-287
dc.identifierhttp://dx.doi.org/10.1016/j.clae.2009.09.001
dc.identifier.citationContact Lens & Anterior Eye. Amsterdam: Elsevier B.V., v. 32, n. 6, p. 283-287, 2009.
dc.identifier.doi10.1016/j.clae.2009.09.001
dc.identifier.issn1367-0484
dc.identifier.lattes9719883814872582
dc.identifier.orcid0000-0002-3800-3050
dc.identifier.urihttp://hdl.handle.net/11449/15337
dc.identifier.wosWOS:000208382400004
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofContact Lens & Anterior Eye
dc.relation.ispartofjcr1.865
dc.relation.ispartofsjr0,996
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectAestheticen
dc.subjectOcular prosthesisen
dc.subjectHardnessen
dc.subjectAcrylic resinen
dc.titleEffect of weathering and thickness on the superficial microhardness of acrylic resin and ocular buttonen
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.lattes9719883814872582
unesp.author.orcid0000-0002-3800-3050[2]
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Odontologia, Araçatubapt
unesp.departmentMateriais odontológicos e Prótese - FOApt

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Araçatuba - FOA - Faculdade de Odontologia