Effect of the Insertion and Polymerization Technique in Composite Resin Restorations: Analysis of Marginal Gap by Atomic Force Microscopy

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dc.contributor.authorBomfim da Silva, Marcos Aurelio
dc.contributor.authorPimentel Lopes de Oliveira, Guilherme Jose [UNESP]
dc.contributor.authorTonholo, Josealdo
dc.contributor.authorda Silva Junior, Jose Ginaldo
dc.contributor.authorSantos, Lucineide de Melo
dc.contributor.authorLimeira dos Reis, Jose Ivo
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade Federal de Alagoas (UFAL)
dc.date.accessioned2014-05-20T13:45:37Z
dc.date.available2014-05-20T13:45:37Z
dc.date.issued2010-12-01
dc.description.abstractThis in vitro study evaluated the marginal gap at the composite tooth/resin interface in class V cavities under the influence of two insertion techniques and a curing system by means of atomic force microscopy (AFM). Forty enamel and dentin cavities were prepared on the buccal surface in bovine teeth with quadratic forms measuring 2 mm X 2 mm and depth of 1.5 mm. The teeth were then divided into four groups: group A, 10 cavities were restored in one increment, light cured by halogen light; group B, 10 cavities filled with bulk filling, light cured by the light emitting diodes (LED); group C, 10 cavities were restored by the incremental technique, light cured by halogen light; group D, 10 cavities were restored by the incremental technique, light cured by the LED. The teeth underwent the polishing procedure and were analyzed by AFM for tooth/restoration interface evaluation. The data were compared between groups using the nonparametric Kruskall-Wallis and Mann-Whitney tests (p < 0.05). The results showed a statistically significant difference between groups A and B and groups A and C. It was concluded that no insertion and polymerization technique was able to completely seal the cavity.en
dc.description.affiliationUniv Estadual Paulista, Dept Diagnost & Cirurgia, Fac Odontol Araraquara, BR-14801140 Araraquara, SP, Brazil
dc.description.affiliationUniv Estadual Campinas, Dept Odontol Restauradora, Fac Odontol Piracicaba, BR-13414903 Piracicaba, SP, Brazil
dc.description.affiliationUniversidade Federal de Alagoas (UFAL), Inst Quim & Biotecnol, BR-57072970 Maceio, AL, Brazil
dc.description.affiliationUniversidade Federal de Alagoas (UFAL), Fac Odontol, BR-57072970 Maceio, AL, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Diagnost & Cirurgia, Fac Odontol Araraquara, BR-14801140 Araraquara, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de Alagoas (FAPEAL)
dc.format.extent779-784
dc.identifierhttp://dx.doi.org/10.1017/S1431927610093931
dc.identifier.citationMicroscopy and Microanalysis. New York: Cambridge Univ Press, v. 16, n. 6, p. 779-784, 2010.
dc.identifier.doi10.1017/S1431927610093931
dc.identifier.fileWOS000284715300014.pdf
dc.identifier.issn1431-9276
dc.identifier.urihttp://hdl.handle.net/11449/16051
dc.identifier.wosWOS:000284715300014
dc.language.isoeng
dc.publisherCambridge University Press
dc.relation.ispartofMicroscopy and Microanalysis
dc.relation.ispartofjcr2.124
dc.relation.ispartofsjr0,292
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectdental marginal adaptationen
dc.subjectdental curing lighten
dc.subjectatomic force microscopyen
dc.subjectcomposite resinen
dc.subjectlasersen
dc.subjectdental surface analysisen
dc.titleEffect of the Insertion and Polymerization Technique in Composite Resin Restorations: Analysis of Marginal Gap by Atomic Force Microscopyen
dc.typeArtigo
dcterms.licensehttp://journals.cambridge.org/action/displaySpecialPage?pageId=4676#
dcterms.rightsHolderCambridge Univ Press
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Odontologia, Araraquarapt
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Artigos - Diagnóstico e Cirurgia - FOAR