Loading stress distribution in posterior teeth restored by different core materials under fixed zirconia partial denture: A 3d-fea study
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://hdl.handle.net/11449/229044 |
Resumo: | Purpose: To evaluate the effect of different substrate stiffness [sound dentin (SD), resin composite core (RC) or metal core (MC)] on the stress distribution of a zirconia posterior three-unit fixed partial denture (FPD). Methods: The abutment teeth (first molar and first premolar) were modeled, containing 1.5 mm of axial reduction, and converging axial walls. A static structural analysis was performed using a finite element method and the maximum principal stress criterion to analyze the fixed partial denture (FPD) and the cement layers of both abutment teeth. The materials were considered isotropic, linear, elastic, homogeneous and with bonded contacts. An axial load (300 N) was applied to the occlusal surface of the second premolar. Results: The region of the prosthetic connectors showed the highest tensile stress magnitude in the FPD structure depending on the substrate stiffness with different core materials. The highest stress peak was observed with the use of MC (116.4 MPa) compared to RC and SD. For the cement layer, RC showed the highest values in the molar abutment (14.7 MPa) and the highest values for the premolar abutment (14.4 MPa) compared to SD (14.1 and 13.4 MPa) and MC (13.8 and 13.3 MPa). Both metal core and resin composite core produced adequate stress concentration in the zirconia fixed partial denture during the load incidence. However, more flexible substrates, such as composite cores, can increase the tensile stress magnitude on the cement. |
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Repositório Institucional da UNESP |
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2946 |
spelling |
Loading stress distribution in posterior teeth restored by different core materials under fixed zirconia partial denture: A 3d-fea studyPurpose: To evaluate the effect of different substrate stiffness [sound dentin (SD), resin composite core (RC) or metal core (MC)] on the stress distribution of a zirconia posterior three-unit fixed partial denture (FPD). Methods: The abutment teeth (first molar and first premolar) were modeled, containing 1.5 mm of axial reduction, and converging axial walls. A static structural analysis was performed using a finite element method and the maximum principal stress criterion to analyze the fixed partial denture (FPD) and the cement layers of both abutment teeth. The materials were considered isotropic, linear, elastic, homogeneous and with bonded contacts. An axial load (300 N) was applied to the occlusal surface of the second premolar. Results: The region of the prosthetic connectors showed the highest tensile stress magnitude in the FPD structure depending on the substrate stiffness with different core materials. The highest stress peak was observed with the use of MC (116.4 MPa) compared to RC and SD. For the cement layer, RC showed the highest values in the molar abutment (14.7 MPa) and the highest values for the premolar abutment (14.4 MPa) compared to SD (14.1 and 13.4 MPa) and MC (13.8 and 13.3 MPa). Both metal core and resin composite core produced adequate stress concentration in the zirconia fixed partial denture during the load incidence. However, more flexible substrates, such as composite cores, can increase the tensile stress magnitude on the cement.Department of Dental Materials and Prosthodontics São Paulo State University (UNESP) Institute of Science and Technology São José dos CamposDepartment of Dentistry Postgraduate Program of Dentistry University of Taubaté (UNITAU)School of Dentistry University of Naples Federico IIFraunhofer Laboratory IDEAS Department of Industrial Engineering University of Naples Federico IIDepartment of Bioscience Research College of Dentistry University of Tennessee Health Science CenterThe Forsyth InstituteDepartment of Dental Materials and Prosthodontics São Paulo State University (UNESP) Institute of Science and Technology São José dos CamposUniversidade Estadual Paulista (UNESP)University of Taubaté (UNITAU)University of Naples Federico IIUniversity of Tennessee Health Science CenterThe Forsyth InstituteCAMPANER, LARISSA MENDES [UNESP]DE OLIVEIRA PINTO RIBEIRO, AMANDA [UNESP]TRIBST, JOÃO PAULO MENDESBORGES, ALEXANDRE LUIZ SOUTO [UNESP]DI LAURO, ALESSANDRO ESPEDITOLANZOTTI, ANTONIOGARCIA-GODOY, FRANKLINAUSIELLO, PIETRO2022-04-29T08:30:06Z2022-04-29T08:30:06Z2021-06-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article157-162American Journal of Dentistry, v. 34, n. 3, p. 157-162, 2021.0894-8275http://hdl.handle.net/11449/2290442-s2.0-85108742003Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengAmerican Journal of Dentistryinfo:eu-repo/semantics/openAccess2022-04-29T08:30:06Zoai:repositorio.unesp.br:11449/229044Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-05-23T20:39:44.903790Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Loading stress distribution in posterior teeth restored by different core materials under fixed zirconia partial denture: A 3d-fea study |
title |
Loading stress distribution in posterior teeth restored by different core materials under fixed zirconia partial denture: A 3d-fea study |
spellingShingle |
Loading stress distribution in posterior teeth restored by different core materials under fixed zirconia partial denture: A 3d-fea study CAMPANER, LARISSA MENDES [UNESP] |
title_short |
Loading stress distribution in posterior teeth restored by different core materials under fixed zirconia partial denture: A 3d-fea study |
title_full |
Loading stress distribution in posterior teeth restored by different core materials under fixed zirconia partial denture: A 3d-fea study |
title_fullStr |
Loading stress distribution in posterior teeth restored by different core materials under fixed zirconia partial denture: A 3d-fea study |
title_full_unstemmed |
Loading stress distribution in posterior teeth restored by different core materials under fixed zirconia partial denture: A 3d-fea study |
title_sort |
Loading stress distribution in posterior teeth restored by different core materials under fixed zirconia partial denture: A 3d-fea study |
author |
CAMPANER, LARISSA MENDES [UNESP] |
author_facet |
CAMPANER, LARISSA MENDES [UNESP] DE OLIVEIRA PINTO RIBEIRO, AMANDA [UNESP] TRIBST, JOÃO PAULO MENDES BORGES, ALEXANDRE LUIZ SOUTO [UNESP] DI LAURO, ALESSANDRO ESPEDITO LANZOTTI, ANTONIO GARCIA-GODOY, FRANKLIN AUSIELLO, PIETRO |
author_role |
author |
author2 |
DE OLIVEIRA PINTO RIBEIRO, AMANDA [UNESP] TRIBST, JOÃO PAULO MENDES BORGES, ALEXANDRE LUIZ SOUTO [UNESP] DI LAURO, ALESSANDRO ESPEDITO LANZOTTI, ANTONIO GARCIA-GODOY, FRANKLIN AUSIELLO, PIETRO |
author2_role |
author author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) University of Taubaté (UNITAU) University of Naples Federico II University of Tennessee Health Science Center The Forsyth Institute |
dc.contributor.author.fl_str_mv |
CAMPANER, LARISSA MENDES [UNESP] DE OLIVEIRA PINTO RIBEIRO, AMANDA [UNESP] TRIBST, JOÃO PAULO MENDES BORGES, ALEXANDRE LUIZ SOUTO [UNESP] DI LAURO, ALESSANDRO ESPEDITO LANZOTTI, ANTONIO GARCIA-GODOY, FRANKLIN AUSIELLO, PIETRO |
description |
Purpose: To evaluate the effect of different substrate stiffness [sound dentin (SD), resin composite core (RC) or metal core (MC)] on the stress distribution of a zirconia posterior three-unit fixed partial denture (FPD). Methods: The abutment teeth (first molar and first premolar) were modeled, containing 1.5 mm of axial reduction, and converging axial walls. A static structural analysis was performed using a finite element method and the maximum principal stress criterion to analyze the fixed partial denture (FPD) and the cement layers of both abutment teeth. The materials were considered isotropic, linear, elastic, homogeneous and with bonded contacts. An axial load (300 N) was applied to the occlusal surface of the second premolar. Results: The region of the prosthetic connectors showed the highest tensile stress magnitude in the FPD structure depending on the substrate stiffness with different core materials. The highest stress peak was observed with the use of MC (116.4 MPa) compared to RC and SD. For the cement layer, RC showed the highest values in the molar abutment (14.7 MPa) and the highest values for the premolar abutment (14.4 MPa) compared to SD (14.1 and 13.4 MPa) and MC (13.8 and 13.3 MPa). Both metal core and resin composite core produced adequate stress concentration in the zirconia fixed partial denture during the load incidence. However, more flexible substrates, such as composite cores, can increase the tensile stress magnitude on the cement. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-06-01 2022-04-29T08:30:06Z 2022-04-29T08:30:06Z |
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 |
American Journal of Dentistry, v. 34, n. 3, p. 157-162, 2021. 0894-8275 http://hdl.handle.net/11449/229044 2-s2.0-85108742003 |
identifier_str_mv |
American Journal of Dentistry, v. 34, n. 3, p. 157-162, 2021. 0894-8275 2-s2.0-85108742003 |
url |
http://hdl.handle.net/11449/229044 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
American Journal of Dentistry |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
157-162 |
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 |
|
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1803045686488334336 |