Effect of operator experience and cementation strategies on the bond strength between fiber post and root dentin

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dc.contributor.authorBergoli, César Dalmolin
dc.contributor.authorCosta Lima, Julia Magalhães [UNESP]
dc.contributor.authorBottino, Marco Antonio [UNESP]
dc.contributor.authorde Melo, Renata Marques [UNESP]
dc.contributor.authorValandro, Luiz Felipe
dc.contributor.institutionFederal University of Pelotas
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionFederal University of Santa Maria
dc.date.accessioned2018-12-11T17:28:47Z
dc.date.available2018-12-11T17:28:47Z
dc.date.issued2017-01-02
dc.description.abstractThis study evaluates the influence of operator experience on the bond strength between fiber posts and root dentin using different cementation strategies. One hundred and twenty bovine teeth were selected, cleaned, disinfected, and sectioned at 15 mm of root length (apical–coronal). The root canals were prepared up to 12 mm and the apical portions were embedded with acrylic resin in plastic matrices. Thereafter, the teeth were randomly distributed to six operators (three with experience and three without experience). The operators performed cementation using two different cementation strategies: conventional (three-step etch-and-rinse adhesive; Scotchbond Multi-Purpose and RelyX ARC) or simplified (one-step self-adhesive resin cement; RelyX U200). Following cementation, each specimen was sectioned to obtain three slices (2 mm). Slices were submitted to the push-out test and failure analysis. Mean bond strength of each group was evaluated by the Student’s t-test (α = 0.05). Statistical analysis did not show any influence of operator experience or cementation strategy on the bond strength values. The principal mode of failure was adhesive between the resin cement and root dentin. Authors conclude that operators with different clinical experience could achieve similar values of bond strength between fiber posts and root dentin, independent of the cementation strategy (conventional or simplified).en
dc.description.affiliationFaculty of Dentistry Department of Restorative Dentistry Federal University of Pelotas
dc.description.affiliationScience and Technology Institute São Paulo State University (UNESP)
dc.description.affiliationFaculty of Dentistry Department of Restorative Dentistry Federal University of Santa Maria
dc.description.affiliationUnespScience and Technology Institute São Paulo State University (UNESP)
dc.format.extent1-7
dc.identifierhttp://dx.doi.org/10.1080/01694243.2016.1192012
dc.identifier.citationJournal of Adhesion Science and Technology, v. 31, n. 1, p. 1-7, 2017.
dc.identifier.doi10.1080/01694243.2016.1192012
dc.identifier.file2-s2.0-84976330748.pdf
dc.identifier.issn1568-5616
dc.identifier.issn0169-4243
dc.identifier.lattes9234456003563666
dc.identifier.scopus2-s2.0-84976330748
dc.identifier.urihttp://hdl.handle.net/11449/178110
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.subjectBond strength
dc.subjectfiber post
dc.subjectpush-out test
dc.subjectresin cement
dc.subjectroot dentin
dc.titleEffect of operator experience and cementation strategies on the bond strength between fiber post and root dentinen
dc.typeArtigo
unesp.advisor.lattes9234456003563666

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