You are in the accessibility menu

Please use this identifier to cite or link to this item:
Full metadata record
DC FieldValueLanguage
dc.contributor.authorde Castro, Humberto Lago-
dc.contributor.authorPassos, Sheila Pestana-
dc.contributor.authorZogheib, Lucas Villaca-
dc.contributor.authorDella Bona, Alvaro-
dc.identifier.citationJournal of Adhesive Dentistry. Hanover Park: Quintessence Publishing Co Inc, v. 14, n. 2, p. 155-160, 2012.-
dc.description.abstractPurpose: To evaluate the effect of cement shade, light-curing unit, and water storage on tensile bond strength (a) of a feldspathic ceramic resin bonded to dentin.Materials and Methods: The dentin surface of 40 molars was exposed and etched with 37% phosphoric acid, then an adhesive system was applied. Forty blocks of feldspathic ceramic (Vita VM7) were produced. The ceramic surface was etched with 10% hydrofluoric acid for 60 s, followed by the application of a silane agent and a dual-curing resin cement (Variolink II). Ceramic blocks were cemented to the treated dentin using either A3 or transparent (Tr) shade cement that was activated using either halogen or LED light for 40 s. All blocks were stored in 37 degrees C distilled water for 24 h before cutting to obtain non-trimmed bar-shaped specimens (adhesive area = 1 mm(2) +/- 0.1) for the microtensile bond strength test. The specimens were randomly grouped according to the storage time: no storage or stored for 150 days in 37 degrees C distilled water. Eight experimental groups were obtained (n = 30). The specimens were submitted to the tensile bond strength test using a universal testing machine at a crosshead speed of 1 mm/min. The data were statistically analyzed using ANOVA and Tukey's post-hoc tests (alpha = 0.05).Results: The mean bond strength values were significantly lower for the corresponding water stored groups, except for the specimens using A3 resin cement activated by halogen light. There was no significance difference in mean bond strength values among all groups after water storage.Conclusion: Water storage had a detrimental effect under most experimental conditions. For both cement shades investigated (Tr and A3) under the same storage condition, the light-curing units (QTH and LED) did not affect the mean microtensile bond strengths of resin-cemented ceramic to dentin.en
dc.publisherQuintessence Publishing Co Inc-
dc.sourceWeb of Science-
dc.subjectcement shadeen
dc.subjectpolymerization sourceen
dc.subjectmicrotensile bond strengthen
dc.titleEffect of Cement Shade and Light-curing Unit on Bond Strength of a Ceramic Cemented to Dentinen
dc.contributor.institutionUniv Passo Fundo-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniv Passo Fundo, Sch Dent, Dept Restorat Dent, Postgrad Program Dent, BR-99001970 Passo Fundo, RS, Brazil-
dc.description.affiliationSão Paulo State Univ, Dept Dent Mat & Prosthodont, Sao Jose Dos Campos, Brazil-
dc.description.affiliationUnespSão Paulo State Univ, Dept Dent Mat & Prosthodont, Sao Jose Dos Campos, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Adhesive Dentistry-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

There are no files associated with this item.

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.