Fatigue resistance of bovine teeth restored with resin-bonded fiber posts: Effect of post surface conditioning

dc.contributor.authorZamboni, Sandra C. [UNESP]
dc.contributor.authorBaldissara, Paolo
dc.contributor.authorPelogia, Fernanda [UNESP]
dc.contributor.authorBottino, Marco Antonio [UNESP]
dc.contributor.authorScotti, Roberto
dc.contributor.authorValandro, Luiz Felipe
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversity of Bologna
dc.contributor.institutionFederal University of Santa Maria
dc.date.accessioned2014-05-27T11:22:47Z
dc.date.available2014-05-27T11:22:47Z
dc.date.issued2008-01-01
dc.description.abstractThis study evaluated the effect of post surface conditioning on the fatigue resistance of bovine teeth restored with resin-bonded fiber-reinforced composite (FRC). Root canals of 20 single-rooted bovine teeth (16 mm long) were prepared to 12 mm using a preparation drill of a double-tapered fiber post system. Using acrylic resin, each specimen was embedded (up to 3.0 mm from the cervical part of the specimen) in a PVC cylinder and allocated into one of two groups (n = 10) based on the post surface conditioning method: acid etching plus silanization or tribochemical silica coating (30 μm SiOx + silanization). The root canal dentin was etched (H2PO3 for 30 seconds), rinsed, and dried. A multi-step adhesive system was applied to the root dentin and the fiber posts were cemented with resin cement. The specimens were submitted to one million fatigue cycles. After fatigue testing, a score was given based on the number of fatigue cycles until fracture. All of the specimens were resistant to fatigue. No fracture of the root or the post and no loss of retention of the post were observed. The methodology and the results of this study indicate that tribochemical silica coating and acid etching performed equally well when dynamic mechanical loading was used.en
dc.description.affiliationSao Jose Dos Campos Dental School Sao Paulo State University, Sao Jose dos Campos
dc.description.affiliationDepartment of Prosthodontics
dc.description.affiliationDivision of Prosthodontics Department of Oral Sciences University of Bologna, Bologna
dc.description.affiliationDivision of Prosthodontics Department of Restorative Dentistry Federal University of Santa Maria, Santa Maria
dc.description.affiliationUnespSao Jose Dos Campos Dental School Sao Paulo State University, Sao Jose dos Campos
dc.format.extent56-59
dc.identifierhttp://www.ncbi.nlm.nih.gov/pubmed/18254561
dc.identifier.citationGeneral Dentistry, v. 56, n. 1, p. 56-59, 2008.
dc.identifier.issn0363-6771
dc.identifier.lattes9234456003563666
dc.identifier.scopus2-s2.0-38749090991
dc.identifier.urihttp://hdl.handle.net/11449/70282
dc.language.isoeng
dc.relation.ispartofGeneral Dentistry
dc.relation.ispartofsjr0,206
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.subjectacrylic acid resin
dc.subjectglass
dc.subjectglass fiber
dc.subjectresin
dc.subjectresin cement
dc.subjecttooth cement
dc.subjectanimal
dc.subjectcattle
dc.subjectcementation
dc.subjectchemistry
dc.subjectdental acid etching
dc.subjectdental bonding
dc.subjectdental care
dc.subjectdental surgery
dc.subjectdentin
dc.subjectdrug effect
dc.subjectendodontics
dc.subjectinstrumentation
dc.subjectmaterials testing
dc.subjectmethodology
dc.subjectsurface property
dc.subjecttooth crown
dc.subjecttooth prosthesis
dc.subjectAcid Etching, Dental
dc.subjectAcrylic Resins
dc.subjectAnimals
dc.subjectCattle
dc.subjectCementation
dc.subjectComposite Resins
dc.subjectDental Bonding
dc.subjectDental Cements
dc.subjectDental Prosthesis Retention
dc.subjectDental Restoration Failure
dc.subjectDental Stress Analysis
dc.subjectDentin
dc.subjectGlass
dc.subjectMaterials Testing
dc.subjectPost and Core Technique
dc.subjectResin Cements
dc.subjectRoot Canal Preparation
dc.subjectSurface Properties
dc.titleFatigue resistance of bovine teeth restored with resin-bonded fiber posts: Effect of post surface conditioningen
dc.typeArtigo
unesp.author.lattes9234456003563666
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Ciência e Tecnologia, São José dos Campospt

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