Effect of delayed start of light-curing on microtensile bond strengths of two adhesives bonded to dentin

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dc.contributor.authorAraujo, Tabata Dutra [UNESP]
dc.contributor.authorBresciani, Eduardo [UNESP]
dc.contributor.authorGomes Torres, Carlos Rocha [UNESP]
dc.contributor.authorBorges, Alessandra Buehler [UNESP]
dc.contributor.authorBarcellos, Daphne Camara [UNESP]
dc.contributor.authorPucci, Cesar Rogerio [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2015-03-18T15:53:31Z
dc.date.available2015-03-18T15:53:31Z
dc.date.issued2014-10-01
dc.description.abstractThe aim of the present study was to evaluate the microtensile bond strength to dentin (ATBS) of two total-etching adhesives applied with delays of 1-30 s for curing. Fifty extracted molar teeth were used. Occlusal enamel was sectioned to expose flat dentin surface, which was further polished with 600-grit paper for smear layer standardization. The specimens were divided into two groups, G1: Single Bond total-etching adhesive (SB), and G2: Prime & Bond NT total-etching adhesive (PB). Each group was further divided into 5 subgroups according to the delayed light-cure initiation after the adhesive systems application (n=5): Subgroup 1s - 1 s; Subgroup 5s -5 s; Subgroup 10s - 10 s; Subgroup 20s - 20 s; Subgroup 30s - 30 s. Composite resin cones 5 mm height and 10 mm in diameter were fabricated. Specimens were stored in distilled water at 37 degrees C for 24 h and sectioned to obtain 1 x 1 mm(2) transversal specimens. Specimens were thermocycled and mu TBS was measured. Data were submitted to two-way ANOVA (AdhesiveXDelay time) and Tukey's test. The level of significance was set at 5%. The results in mean MPa(+/- SD) for interaction between adhesive and delay time were: PB/1s - 23.82 +/- 2.54a; SB/5s - 19.52 +/- 2.67b; PB/5s - 18.56 +/- 3.06bc; SB/1s - 15.49 +/- 2.69cd; SB/20s - 16.33 +/- 2.55d; SB/10s - 13.88 +/- 1.67d; PB/10s - 11.04 +/- 1.28e; PB/30s - 10.89 +/- 1.31e; PB/20s - 10.24 +/- 2.33e; SB/30s - 9.19 +/- 1.91e. It was concluded that light-cure initiation timing of total-etching adhesives interferes negatively with mu TBS to dentin. (C) 2014 Elsevier Ltd. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, UNESP, Sao Jose dos Campos Sch Dent, Dept Restorat Dent, Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, UNESP, Sao Jose dos Campos Sch Dent, Dept Restorat Dent, Sao Jose Dos Campos, SP, Brazil
dc.format.extent155-158
dc.identifierhttp://dx.doi.org/10.1016/j.ijadhadh.2014.06.001
dc.identifier.citationInternational Journal Of Adhesion And Adhesives. Oxford: Elsevier Sci Ltd, v. 54, p. 155-158, 2014.
dc.identifier.doi10.1016/j.ijadhadh.2014.06.001
dc.identifier.issn0143-7496
dc.identifier.lattes3639720155407918
dc.identifier.lattes3135367849609938
dc.identifier.lattes1754020652874850
dc.identifier.orcid0000-0003-4830-0400
dc.identifier.urihttp://hdl.handle.net/11449/116567
dc.identifier.wosWOS:000341339700018
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofInternational Journal Of Adhesion And Adhesives
dc.relation.ispartofjcr2.065
dc.relation.ispartofsjr0,926
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectDental bondingen
dc.subjectTensile strengthen
dc.subjectDentinen
dc.titleEffect of delayed start of light-curing on microtensile bond strengths of two adhesives bonded to dentinen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes3639720155407918
unesp.author.lattes3135367849609938[3]
unesp.author.lattes1754020652874850[6]
unesp.author.orcid0000-0002-9485-5514[3]
unesp.author.orcid0000-0003-4830-0400[6]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Ciência e Tecnologia, São José dos Campospt

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