Influence of resin cement rigidity on the stress distribution of resin-bonded fixed partial dentures
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1080/10255842.2019.1609456 http://hdl.handle.net/11449/187642 |
Resumo: | The mechanical properties of the adhesive cement used in resin-bonded fixed partial dentures (RBFPD) can modify the clinical performance of the rehabilitation. The goal of this study was to evaluate the influence of the elastic modulus of different cements on the stress distribution in RBFPD using finite element analysis. For that an anterior 3-unit prosthesis was modeled based in a stereolithography file. The model was meshed with tetrahedral elements and materials considered isotropic, linearly elastic and homogeneous. The force applied to the palatal area of the lateral incisor (pontic) at 45° was 100 N. The cements used presented 7 different elastic modulus (E): 2, 6, 10, 14, 18, 22 or 26 GPa. The total deformation, von-Mises stress and maximum principal stress criteria were used to calculate the results. The lower tensile stress occurred in the cement layer with E = 2 GPa [25.6 (canine) and 16.32 MPa (incisor)]. For the prosthesis, the model with the lower tensile stress [287 (canine) and 248 MPa (incisor)] occurred when the cement presented E = 26 GPa. In this way, the stress concentration may have its magnitude modified depending on the stiffness of the cement. Since more flexible cements concentrate less tensile stress in its structure, but allow an increased displacement of the prosthesis, which is friable and rigid and ends up concentrating more tensile stress at its connector. In that way the clinician should avoid the use of adhesive cement with lower elastic modulus due to it increases the stress concentration in the ceramic. |
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Repositório Institucional da UNESP |
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Influence of resin cement rigidity on the stress distribution of resin-bonded fixed partial denturesadhesive prosthesisElastic modulusfinite element analysisresin cementThe mechanical properties of the adhesive cement used in resin-bonded fixed partial dentures (RBFPD) can modify the clinical performance of the rehabilitation. The goal of this study was to evaluate the influence of the elastic modulus of different cements on the stress distribution in RBFPD using finite element analysis. For that an anterior 3-unit prosthesis was modeled based in a stereolithography file. The model was meshed with tetrahedral elements and materials considered isotropic, linearly elastic and homogeneous. The force applied to the palatal area of the lateral incisor (pontic) at 45° was 100 N. The cements used presented 7 different elastic modulus (E): 2, 6, 10, 14, 18, 22 or 26 GPa. The total deformation, von-Mises stress and maximum principal stress criteria were used to calculate the results. The lower tensile stress occurred in the cement layer with E = 2 GPa [25.6 (canine) and 16.32 MPa (incisor)]. For the prosthesis, the model with the lower tensile stress [287 (canine) and 248 MPa (incisor)] occurred when the cement presented E = 26 GPa. In this way, the stress concentration may have its magnitude modified depending on the stiffness of the cement. Since more flexible cements concentrate less tensile stress in its structure, but allow an increased displacement of the prosthesis, which is friable and rigid and ends up concentrating more tensile stress at its connector. In that way the clinician should avoid the use of adhesive cement with lower elastic modulus due to it increases the stress concentration in the ceramic.Department of Dental Materials and Prosthodontics São Paulo State University (UNESP) Institute of Science and TechnologyDepartment of Dental Materials Science Academic Centre for Dentistry Amsterdam (ACTA) Universiteit van Amsterdam and Vrije UniversiteitDepartment of Restorative Dentistry São Paulo State University (UNESP) Institute of Science and TechnologyDepartment of Dental Materials and Prosthodontics São Paulo State University (UNESP) Institute of Science and TechnologyDepartment of Restorative Dentistry São Paulo State University (UNESP) Institute of Science and TechnologyUniversidade Estadual Paulista (Unesp)Universiteit van Amsterdam and Vrije UniversiteitPenteado, Marcela M. [UNESP]Tribst, João P. M. [UNESP]Jurema, Ana L. B. [UNESP]Saavedra, Guilherme S. F. A. [UNESP]Borges, Alexandre L. S. [UNESP]2019-10-06T15:42:45Z2019-10-06T15:42:45Z2019-07-27info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article953-960http://dx.doi.org/10.1080/10255842.2019.1609456Computer Methods in Biomechanics and Biomedical Engineering, v. 22, n. 10, p. 953-960, 2019.1476-82591025-5842http://hdl.handle.net/11449/18764210.1080/10255842.2019.16094562-s2.0-85065428036Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengComputer Methods in Biomechanics and Biomedical Engineeringinfo:eu-repo/semantics/openAccess2021-10-22T21:16:15Zoai:repositorio.unesp.br:11449/187642Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T22:34:16.379314Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Influence of resin cement rigidity on the stress distribution of resin-bonded fixed partial dentures |
title |
Influence of resin cement rigidity on the stress distribution of resin-bonded fixed partial dentures |
spellingShingle |
Influence of resin cement rigidity on the stress distribution of resin-bonded fixed partial dentures Penteado, Marcela M. [UNESP] adhesive prosthesis Elastic modulus finite element analysis resin cement |
title_short |
Influence of resin cement rigidity on the stress distribution of resin-bonded fixed partial dentures |
title_full |
Influence of resin cement rigidity on the stress distribution of resin-bonded fixed partial dentures |
title_fullStr |
Influence of resin cement rigidity on the stress distribution of resin-bonded fixed partial dentures |
title_full_unstemmed |
Influence of resin cement rigidity on the stress distribution of resin-bonded fixed partial dentures |
title_sort |
Influence of resin cement rigidity on the stress distribution of resin-bonded fixed partial dentures |
author |
Penteado, Marcela M. [UNESP] |
author_facet |
Penteado, Marcela M. [UNESP] Tribst, João P. M. [UNESP] Jurema, Ana L. B. [UNESP] Saavedra, Guilherme S. F. A. [UNESP] Borges, Alexandre L. S. [UNESP] |
author_role |
author |
author2 |
Tribst, João P. M. [UNESP] Jurema, Ana L. B. [UNESP] Saavedra, Guilherme S. F. A. [UNESP] Borges, Alexandre L. S. [UNESP] |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Universiteit van Amsterdam and Vrije Universiteit |
dc.contributor.author.fl_str_mv |
Penteado, Marcela M. [UNESP] Tribst, João P. M. [UNESP] Jurema, Ana L. B. [UNESP] Saavedra, Guilherme S. F. A. [UNESP] Borges, Alexandre L. S. [UNESP] |
dc.subject.por.fl_str_mv |
adhesive prosthesis Elastic modulus finite element analysis resin cement |
topic |
adhesive prosthesis Elastic modulus finite element analysis resin cement |
description |
The mechanical properties of the adhesive cement used in resin-bonded fixed partial dentures (RBFPD) can modify the clinical performance of the rehabilitation. The goal of this study was to evaluate the influence of the elastic modulus of different cements on the stress distribution in RBFPD using finite element analysis. For that an anterior 3-unit prosthesis was modeled based in a stereolithography file. The model was meshed with tetrahedral elements and materials considered isotropic, linearly elastic and homogeneous. The force applied to the palatal area of the lateral incisor (pontic) at 45° was 100 N. The cements used presented 7 different elastic modulus (E): 2, 6, 10, 14, 18, 22 or 26 GPa. The total deformation, von-Mises stress and maximum principal stress criteria were used to calculate the results. The lower tensile stress occurred in the cement layer with E = 2 GPa [25.6 (canine) and 16.32 MPa (incisor)]. For the prosthesis, the model with the lower tensile stress [287 (canine) and 248 MPa (incisor)] occurred when the cement presented E = 26 GPa. In this way, the stress concentration may have its magnitude modified depending on the stiffness of the cement. Since more flexible cements concentrate less tensile stress in its structure, but allow an increased displacement of the prosthesis, which is friable and rigid and ends up concentrating more tensile stress at its connector. In that way the clinician should avoid the use of adhesive cement with lower elastic modulus due to it increases the stress concentration in the ceramic. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-10-06T15:42:45Z 2019-10-06T15:42:45Z 2019-07-27 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1080/10255842.2019.1609456 Computer Methods in Biomechanics and Biomedical Engineering, v. 22, n. 10, p. 953-960, 2019. 1476-8259 1025-5842 http://hdl.handle.net/11449/187642 10.1080/10255842.2019.1609456 2-s2.0-85065428036 |
url |
http://dx.doi.org/10.1080/10255842.2019.1609456 http://hdl.handle.net/11449/187642 |
identifier_str_mv |
Computer Methods in Biomechanics and Biomedical Engineering, v. 22, n. 10, p. 953-960, 2019. 1476-8259 1025-5842 10.1080/10255842.2019.1609456 2-s2.0-85065428036 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Computer Methods in Biomechanics and Biomedical Engineering |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
953-960 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808129438323310592 |