Stress concentration of endodontically treated molars restored with transfixed glass fiber post: 3d-finite element analysis
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://dx.doi.org/10.3390/ma14154249 http://hdl.handle.net/11449/229295 |
Resumo: | The loss of dental structure caused by endodontic treatment is responsible for a decrease in tooth resistance, which increases susceptibility to fracture. Therefore, it is important that minimally invasive treatments be performed to preserve the dental structure and increase the resistance to fracture of endodontically treated posterior teeth. To evaluate under axial loads, using the finite element method, the stress distribution in endodontically treated molars restored with both transfixed or vertical glass fiber posts (GFP) and resin composite. An endodontically treated molar 3D-model was analyzed using finite element analyses under four different conditions, class II resin composite (G1, control model), vertical glass fiber post (G2), transfixed glass fiber posts (G3) and vertical and transfixed glass fiber posts (G4). Ideal contacts were considered between restoration/resin composite and resin composite/tooth. An axial load (300 N) was applied to the occlusal surface. The resulting tensile stresses were calculated for the enamel and dentin tissue from five different viewports (occlusal, buccal, palatal, mesial and distal views). According to the stress maps, similar stress trends were observed, regardless of the glass fiber post treatment. In addition, for the G1 model (without GFP), a high-stress magnitude can be noticed in the proximal faces of enamel (7.7 to 14 MPa) and dentin (2.1 to 3.3 MPa) tissue. The use of transfixed glass fiber post is not indicated to reduce the stresses, under axial loads, in both enamel and dentin tissue in endodontically treated molar with a class II cavity. |
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Stress concentration of endodontically treated molars restored with transfixed glass fiber post: 3d-finite element analysisDental materialsDental restoration failureEndodontically treated teethFinite element analysisThe loss of dental structure caused by endodontic treatment is responsible for a decrease in tooth resistance, which increases susceptibility to fracture. Therefore, it is important that minimally invasive treatments be performed to preserve the dental structure and increase the resistance to fracture of endodontically treated posterior teeth. To evaluate under axial loads, using the finite element method, the stress distribution in endodontically treated molars restored with both transfixed or vertical glass fiber posts (GFP) and resin composite. An endodontically treated molar 3D-model was analyzed using finite element analyses under four different conditions, class II resin composite (G1, control model), vertical glass fiber post (G2), transfixed glass fiber posts (G3) and vertical and transfixed glass fiber posts (G4). Ideal contacts were considered between restoration/resin composite and resin composite/tooth. An axial load (300 N) was applied to the occlusal surface. The resulting tensile stresses were calculated for the enamel and dentin tissue from five different viewports (occlusal, buccal, palatal, mesial and distal views). According to the stress maps, similar stress trends were observed, regardless of the glass fiber post treatment. In addition, for the G1 model (without GFP), a high-stress magnitude can be noticed in the proximal faces of enamel (7.7 to 14 MPa) and dentin (2.1 to 3.3 MPa) tissue. The use of transfixed glass fiber post is not indicated to reduce the stresses, under axial loads, in both enamel and dentin tissue in endodontically treated molar with a class II cavity.Department of Dental Materials and Prosthodontics Institute of Science and Technology São Paulo State University (Unesp), São José dos CamposGraduate Program in Dentistry Department of Dentistry University of Taubaté (UNITAU)Department of Dental Materials and Prosthodontics Institute of Science and Technology São Paulo State University (Unesp), São José dos CamposUniversidade Estadual Paulista (UNESP)University of Taubaté (UNITAU)Souto Borges, Alexandre Luiz [UNESP]Vieira Grangeiro, Manassés Tercio [UNESP]De Andrade, Guilherme Schmitt [UNESP]De Melo, Renata Marques [UNESP]Baroudi, KusaiSilva-Concilio, Laís RegianeMendes Tribst, João Paulo2022-04-29T08:31:35Z2022-04-29T08:31:35Z2021-08-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.3390/ma14154249Materials, v. 14, n. 15, 2021.1996-1944http://hdl.handle.net/11449/22929510.3390/ma141542492-s2.0-85112132663Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengMaterialsinfo:eu-repo/semantics/openAccess2022-04-29T08:31:35Zoai:repositorio.unesp.br:11449/229295Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T17:19:37.136909Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Stress concentration of endodontically treated molars restored with transfixed glass fiber post: 3d-finite element analysis |
title |
Stress concentration of endodontically treated molars restored with transfixed glass fiber post: 3d-finite element analysis |
spellingShingle |
Stress concentration of endodontically treated molars restored with transfixed glass fiber post: 3d-finite element analysis Souto Borges, Alexandre Luiz [UNESP] Dental materials Dental restoration failure Endodontically treated teeth Finite element analysis |
title_short |
Stress concentration of endodontically treated molars restored with transfixed glass fiber post: 3d-finite element analysis |
title_full |
Stress concentration of endodontically treated molars restored with transfixed glass fiber post: 3d-finite element analysis |
title_fullStr |
Stress concentration of endodontically treated molars restored with transfixed glass fiber post: 3d-finite element analysis |
title_full_unstemmed |
Stress concentration of endodontically treated molars restored with transfixed glass fiber post: 3d-finite element analysis |
title_sort |
Stress concentration of endodontically treated molars restored with transfixed glass fiber post: 3d-finite element analysis |
author |
Souto Borges, Alexandre Luiz [UNESP] |
author_facet |
Souto Borges, Alexandre Luiz [UNESP] Vieira Grangeiro, Manassés Tercio [UNESP] De Andrade, Guilherme Schmitt [UNESP] De Melo, Renata Marques [UNESP] Baroudi, Kusai Silva-Concilio, Laís Regiane Mendes Tribst, João Paulo |
author_role |
author |
author2 |
Vieira Grangeiro, Manassés Tercio [UNESP] De Andrade, Guilherme Schmitt [UNESP] De Melo, Renata Marques [UNESP] Baroudi, Kusai Silva-Concilio, Laís Regiane Mendes Tribst, João Paulo |
author2_role |
author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) University of Taubaté (UNITAU) |
dc.contributor.author.fl_str_mv |
Souto Borges, Alexandre Luiz [UNESP] Vieira Grangeiro, Manassés Tercio [UNESP] De Andrade, Guilherme Schmitt [UNESP] De Melo, Renata Marques [UNESP] Baroudi, Kusai Silva-Concilio, Laís Regiane Mendes Tribst, João Paulo |
dc.subject.por.fl_str_mv |
Dental materials Dental restoration failure Endodontically treated teeth Finite element analysis |
topic |
Dental materials Dental restoration failure Endodontically treated teeth Finite element analysis |
description |
The loss of dental structure caused by endodontic treatment is responsible for a decrease in tooth resistance, which increases susceptibility to fracture. Therefore, it is important that minimally invasive treatments be performed to preserve the dental structure and increase the resistance to fracture of endodontically treated posterior teeth. To evaluate under axial loads, using the finite element method, the stress distribution in endodontically treated molars restored with both transfixed or vertical glass fiber posts (GFP) and resin composite. An endodontically treated molar 3D-model was analyzed using finite element analyses under four different conditions, class II resin composite (G1, control model), vertical glass fiber post (G2), transfixed glass fiber posts (G3) and vertical and transfixed glass fiber posts (G4). Ideal contacts were considered between restoration/resin composite and resin composite/tooth. An axial load (300 N) was applied to the occlusal surface. The resulting tensile stresses were calculated for the enamel and dentin tissue from five different viewports (occlusal, buccal, palatal, mesial and distal views). According to the stress maps, similar stress trends were observed, regardless of the glass fiber post treatment. In addition, for the G1 model (without GFP), a high-stress magnitude can be noticed in the proximal faces of enamel (7.7 to 14 MPa) and dentin (2.1 to 3.3 MPa) tissue. The use of transfixed glass fiber post is not indicated to reduce the stresses, under axial loads, in both enamel and dentin tissue in endodontically treated molar with a class II cavity. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-08-01 2022-04-29T08:31:35Z 2022-04-29T08:31:35Z |
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/10.3390/ma14154249 Materials, v. 14, n. 15, 2021. 1996-1944 http://hdl.handle.net/11449/229295 10.3390/ma14154249 2-s2.0-85112132663 |
url |
http://dx.doi.org/10.3390/ma14154249 http://hdl.handle.net/11449/229295 |
identifier_str_mv |
Materials, v. 14, n. 15, 2021. 1996-1944 10.3390/ma14154249 2-s2.0-85112132663 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Materials |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
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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1808128790609526784 |