Effect of axial loads on implanted-supported partial fixed prostheses by strain gauge analysis

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dc.contributor.authorOliveira de Vasconcellos, Luis Gustavo [UNESP]
dc.contributor.authorNishioka, Renato Sussumu [UNESP]
dc.contributor.authorReis de Vasconcellos, Luana Marotta [UNESP]
dc.contributor.authorBraulino de Melo Nishioka, Lea Nogueira
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionInst Sci Technol CETEC
dc.date.accessioned2014-05-20T14:04:35Z
dc.date.available2014-05-20T14:04:35Z
dc.date.issued2011-11-01
dc.description.abstractObjectives: The present study used strain gauge analysis to perform an in vitro evaluation of the effect of axial loading on 3 elements of implant-supported partial fixed prostheses, varying the type of prosthetic cylinder and the loading points. Material and methods: Three internal hexagon implants were linearly embedded in a polyurethane block. Microunit abutments were connected to the implants applying a torque of 20 Ncm, and prefabricated Co-Cr cylinders and plastic prosthetic cylinders were screwed onto the abutments, which received standard patterns cast in Co-Cr alloy (n=5). Four strain gauges (SG) were bonded onto the surface of the block tangentially to the implants, SG 01 mesially to implant 1, SG 02 and SG 03 mesially and distally to implant 2, respectively, and SG 04 distally to implant 3. Each metallic structure was screwed onto the abutments with a 10 Ncm torque and an axial load of 30 kg was applied at five predetermined points (A, B, C, D, E). The data obtained from the strain gauge analyses were analyzed statistically by RM ANOVA and Tukey's test, with a level of significance of p<0.05. Results: There was a significant difference for the loading point (p=0.0001), with point B generating the smallest microdeformation (239.49 mu epsilon) and point D the highest (442.77 mu epsilon). No significant difference was found for the cylinder type (p=0.748). Conclusions: It was concluded that the type of cylinder did not affect in the magnitude of microdeformation, but the axial loading location influenced this magnitude.en
dc.description.affiliationSão Paulo State Univ, Sao Jose dos Campos Dent Sch, Dept Dent Mat & Prosthodont, Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationSão Paulo State Univ, Sao Jose dos Campos Dent Sch, Dept Biosci & Buccal Diag, Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationInst Sci Technol CETEC, Dept Mech Engn, Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationUnespSão Paulo State Univ, Sao Jose dos Campos Dent Sch, Dept Dent Mat & Prosthodont, Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationUnespSão Paulo State Univ, Sao Jose dos Campos Dent Sch, Dept Biosci & Buccal Diag, Sao Jose Dos Campos, SP, Brazil
dc.format.extent610-615
dc.identifierhttp://dx.doi.org/10.1590/S1678-77572011000600011
dc.identifier.citationJournal of Applied Oral Science. Bauru-sp: Univ São Paulo Fac Odontologia Bauru, v. 19, n. 6, p. 610-615, 2011.
dc.identifier.fileS1678-77572011000600011.pdf
dc.identifier.issn1678-7757
dc.identifier.lattes0056660842284397
dc.identifier.orcid0000-0002-1458-601X
dc.identifier.scieloS1678-77572011000600011
dc.identifier.urihttp://hdl.handle.net/11449/22663
dc.identifier.wosWOS:000298998500011
dc.language.isoeng
dc.publisherUniversidade de São Paulo (USP), Faculdade de Odontologia de Bauru
dc.relation.ispartofJournal of Applied Oral Science
dc.relation.ispartofjcr1.709
dc.relation.ispartofsjr0,645
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectBiomechanicsen
dc.subjectDental implantsen
dc.subjectDental prosthesisen
dc.subjectImplant-supported dental prosthesisen
dc.titleEffect of axial loads on implanted-supported partial fixed prostheses by strain gauge analysisen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/jaos/paboutj.htm
dcterms.rightsHolderUniv São Paulo Fac Odontologia Bauru
unesp.author.lattes0056660842284397[2]
unesp.author.orcid0000-0002-1458-601X[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Ciência e Tecnologia, São José dos Campospt

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Artigos - Materiais Odontológicos e Prótese - ICT
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