Effect of cantilever length and framework alloy on the stress distribution of mandibular-cantilevered implant-supported prostheses

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dc.contributor.authorJacques, Leticia Borges
dc.contributor.authorMoura, Marcio Silva [UNESP]
dc.contributor.authorSuedam, Valdey
dc.contributor.authorSousa, Edson Antonio Capello [UNESP]
dc.contributor.authorRubo, Jose Henrique
dc.contributor.institutionUniversidade Federal de Santa Maria (UFSM)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T13:27:23Z
dc.date.available2014-05-20T13:27:23Z
dc.date.issued2009-07-01
dc.description.abstractThe purpose of this in vitro study was to analyze the stress distribution on components of a mandibular-cantilevered implant-supported prosthesis with frameworks cast in cobalt-chromium (Co-Cr) or palladium-silver (Pd-Ag) alloys, according to the cantilever length.Frameworks were fabricated on (Co-Cr) and (Pd-Ag) alloys and screwed into standard abutments positioned on a master-cast containing five implant replicas. Two linear strain gauges were fixed on the mesial and distal aspects of each abutment to capture deformation. A vertical static load of 100 N was applied to the cantilever arm at the distances of 10, 15, and 20 mm from the center of the distal abutment and the absolute values of specific deformation were recorded.Different patterns of abutment deformation were observed according to the framework alloy. The Co-Cr alloy framework resulted in higher levels of abutment deformation than the silver-palladium alloy framework. Abutment deformation was higher with longer cantilever extensions.Physical properties of the alloys used for framework interfere with abutment deformations patterns. Excessively long cantilever extensions must be avoided.To cite this article:Jacques LB, Moura MS, Suedam V, Souza EAC, Rubo JH. Effect of cantilever length and framework alloy on the stress distribution of mandibular-cantilevered implant-supported prostheses.Clin. Oral Impl. Res. 20, 2009; 737-741.doi: 10.1111/j.1600-0501.2009.01712.x.en
dc.description.affiliationUniversidade Federal de Santa Maria (UFSM), Dept Restorat Dent, Sch Dent, BR-97119900 Santa Maria, RS, Brazil
dc.description.affiliationSão Paulo State Univ, Bauru, SP, Brazil
dc.description.affiliationUniv São Paulo, Dept Prosthodont, Bauru Sch Dent, Bauru, SP, Brazil
dc.description.affiliationSão Paulo State Univ, Dept Mech Engn, Bauru Sch Engn, Bauru, SP, Brazil
dc.description.affiliationUnespSão Paulo State Univ, Bauru, SP, Brazil
dc.description.affiliationUnespSão Paulo State Univ, Dept Mech Engn, Bauru Sch Engn, Bauru, SP, Brazil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdCNPq: 300666/93-4
dc.description.sponsorshipIdFAPESP: 99/01402-6
dc.description.sponsorshipIdFAPESP: 05/56182-3
dc.format.extent737-741
dc.identifierhttp://dx.doi.org/10.1111/j.1600-0501.2009.01712.x
dc.identifier.citationClinical Oral Implants Research. Malden: Wiley-blackwell Publishing, Inc, v. 20, n. 7, p. 737-741, 2009.
dc.identifier.doi10.1111/j.1600-0501.2009.01712.x
dc.identifier.issn0905-7161
dc.identifier.lattes8934648262859482
dc.identifier.urihttp://hdl.handle.net/11449/8983
dc.identifier.wosWOS:000266696300012
dc.language.isoeng
dc.publisherWiley-Blackwell Publishing, Inc
dc.relation.ispartofClinical Oral Implants Research
dc.relation.ispartofjcr4.305
dc.relation.ispartofsjr2,462
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectbiomechanicsen
dc.subjectdental implantsen
dc.subjectmechanical stressen
dc.subjectstrain gaugesen
dc.titleEffect of cantilever length and framework alloy on the stress distribution of mandibular-cantilevered implant-supported prosthesesen
dc.typeArtigo
dcterms.licensehttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dcterms.rightsHolderWiley-blackwell Publishing, Inc
unesp.author.lattes8934648262859482
unesp.author.orcid0000-0003-1595-845X[5]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Baurupt

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