Effects of composite viscosity and adhesive curing mode on marginal sealing of restorations

dc.contributor.authorGutierrez, Natália Cortez [UNESP]
dc.contributor.authorBatista, Graziela Ribeiro [UNESP]
dc.contributor.authorCosta Perote, Letícia Carvalho Coutinho [UNESP]
dc.contributor.authorBeber Kamozaki, Maria Beatriz [UNESP]
dc.contributor.authorde Araújo, Maria Amélia Máximo [UNESP]
dc.contributor.authorGomes Torres, Carlos Rocha [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-12-11T16:46:21Z
dc.date.available2018-12-11T16:46:21Z
dc.date.issued2017-11-02
dc.description.abstractObjectives: Evaluate the influence of composite viscosity, adhesive systems curing mode and artificial aging on marginal sealing of composite resin restorations. Methods: 240 cavities were prepared in bovine incisors. Teeth were divided in two groups: GR–GrandioSO (Voco), conventional viscosity and GF–GrandioSO Heavy Flow (Voco), low viscosity. Each group was divided into 6 subgroups: FM–Futura Bond M (Voco), FDCL and FDCC–Futura Bond DC (Voco), light and chemical cured, CS–Clearfil S3 Bond (Kuraray), CDCL and CDCC–Cleafil DC (Kuraray), light and chemical cured. Half of all specimens were subjected to mechanical (300.000) and thermal cycling (1.000). Marginal gap was measured in an optical microscope. For microleakage, specimens were stained in 50% ammoniacal silver nitrate. Results: For marginal gap mean (μm), significant differences were shown for all factors (p = 0.000). Results for resin were GR: 28.1 and GF: 40.6; for adhesive CDCC: 28.67, CDCL: 32.25, CS: 34.12, FDCL: 36.10, FM: 36.50 and FDCC: 38.46; and for artificial aging WITHOUT: 29.05 and WITH: 39.65. For microleakage mean (mm), there were also differences for all factors (p = 0.000). Results for resin were GR: 2.68 and GF: 3.46; for adhesive FM: 2.85, CDCC: 3.00, FDCL: 3.08, CDCL: 3.15, CS: 3.16 and FDCC: 3.19; and for artificial aging WITHOUT: 2.66 and WITH: 3.48. Conclusion: Composite with conventional viscosity resulted in narrower marginal gaps and less microleakage. CDCC showed less marginal gap formation. The presence of thermo-mechanical cycling increased the values of gap and microleakage.en
dc.description.affiliationDepartment of Restorative Dentistry Institute of Science and Technology São Paulo State University -UNESP
dc.description.affiliationUnespDepartment of Restorative Dentistry Institute of Science and Technology São Paulo State University -UNESP
dc.format.extent2349-2359
dc.identifierhttp://dx.doi.org/10.1080/01694243.2017.1301072
dc.identifier.citationJournal of Adhesion Science and Technology, v. 31, n. 21, p. 2349-2359, 2017.
dc.identifier.doi10.1080/01694243.2017.1301072
dc.identifier.file2-s2.0-85015099016.pdf
dc.identifier.issn1568-5616
dc.identifier.issn0169-4243
dc.identifier.scopus2-s2.0-85015099016
dc.identifier.urihttp://hdl.handle.net/11449/169538
dc.language.isoeng
dc.relation.ispartofJournal of Adhesion Science and Technology
dc.relation.ispartofsjr0,333
dc.relation.ispartofsjr0,333
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectmarginal gap
dc.subjectMicroleakage
dc.subjectresin-based composites
dc.subjectself-etch adhesive
dc.subjectthermo-mechanical cycling
dc.titleEffects of composite viscosity and adhesive curing mode on marginal sealing of restorationsen
dc.typeArtigo
unesp.author.lattes3135367849609938[6]
unesp.author.orcid0000-0002-9485-5514[6]

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