Effect of different loading pistons on stress distribution of a CAD/CAM silica-based ceramic: CAD-FEA modeling and fatigue survival analysis
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/10.1016/j.jmbbm.2019.03.011 http://hdl.handle.net/11449/190201 |
Resumo: | Purpose: This study evaluated the effect of different loading pistons, made of various materials and with different elastic moduli acting as antagonist material, on stress distribution and fatigue behavior of a CAD/CAM silica-based ceramic. Materials and methods: Discs of CAD/CAM made silica-based ceramic (N = 60) (VITA MARK II) were divided into six groups (n = 10 per group), according to the test method (M: Monotonic; F: Fatigue) and the antagonist piston material (T: Tungsten; S: Steel; G: Epoxy resin). FT, FS and FG combinations were submitted to mechanical cycling (2 × 10 6 cycles, 4 Hz, 45 N). The bending stress after fatigue were also valuated using Weibull analysis and the parameters η (eta), β (beta) and the mean time to failure (MTTF) were calculated. Fractographic analysis and Finite Element Analysis (FEA) were performed. Data were analyzed using ANOVA and Tukey's tests (alpha=0.05). Results: MG presented significantly less bending strength (MPa) (75.6) compared to MT (87.8) and MS (84.4) (p < 0.05). Six specimens from FT (MMTF: 8.3 × 10 6 ; β:0.60; η:5.6 × 10 6 ), four from FS (MMTF: 1.9 × 10 6 ; β:1.2; η:2.0 × 10 6 ) and one from FG (MMTF: 1.3 × 10 6 ; β:0.48; η:0.64 × 10 6 ) survived the fatigue test. The stress peak on the tensile surface of S was similar to that of T and both were less than that of G. The failure origins were on the tensile surface. Conclusion: The epoxy resin pistons were able to decrease the bending stress, and life expectancy (faster failure) of a silica-based ceramic compared to tungsten and steel. |
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Effect of different loading pistons on stress distribution of a CAD/CAM silica-based ceramic: CAD-FEA modeling and fatigue survival analysisBending stressBiaxial flexural strengthFatigueFeldspar ceramicFinite element analysisStressSurvivalPurpose: This study evaluated the effect of different loading pistons, made of various materials and with different elastic moduli acting as antagonist material, on stress distribution and fatigue behavior of a CAD/CAM silica-based ceramic. Materials and methods: Discs of CAD/CAM made silica-based ceramic (N = 60) (VITA MARK II) were divided into six groups (n = 10 per group), according to the test method (M: Monotonic; F: Fatigue) and the antagonist piston material (T: Tungsten; S: Steel; G: Epoxy resin). FT, FS and FG combinations were submitted to mechanical cycling (2 × 10 6 cycles, 4 Hz, 45 N). The bending stress after fatigue were also valuated using Weibull analysis and the parameters η (eta), β (beta) and the mean time to failure (MTTF) were calculated. Fractographic analysis and Finite Element Analysis (FEA) were performed. Data were analyzed using ANOVA and Tukey's tests (alpha=0.05). Results: MG presented significantly less bending strength (MPa) (75.6) compared to MT (87.8) and MS (84.4) (p < 0.05). Six specimens from FT (MMTF: 8.3 × 10 6 ; β:0.60; η:5.6 × 10 6 ), four from FS (MMTF: 1.9 × 10 6 ; β:1.2; η:2.0 × 10 6 ) and one from FG (MMTF: 1.3 × 10 6 ; β:0.48; η:0.64 × 10 6 ) survived the fatigue test. The stress peak on the tensile surface of S was similar to that of T and both were less than that of G. The failure origins were on the tensile surface. Conclusion: The epoxy resin pistons were able to decrease the bending stress, and life expectancy (faster failure) of a silica-based ceramic compared to tungsten and steel.Institute of Science and Technology Univ Estadual Paulista – Unesp, São José dos CamposFederal University of Juiz de Fora (UFJF) School of DentistryUniversity of Zürich Dental Materials Unit Center for Dental and Oral Medicine Clinic for Fixed and Removable Prosthodontics and Dental Materials ScienceFederal University of Rio Grande do Norte (UFRN) Department of Dentistry Division of ProsthodonticsInstitute of Science and Technology Univ Estadual Paulista – Unesp, São José dos CamposUniversidade Estadual Paulista (Unesp)School of DentistryClinic for Fixed and Removable Prosthodontics and Dental Materials ScienceDivision of ProsthodonticsMiranda, Jean Soares [UNESP]de Carvalho, Ronaldo Luís Almeida [UNESP]de Carvalho, Rodrigo FurtadoBorges, Alexandre Luis S. [UNESP]Bottino, Marco Antônio [UNESP]Özcan, MutluMelo, Renata Marques de [UNESP]Souza, Rodrigo Othávio de Assunção e2019-10-06T17:05:32Z2019-10-06T17:05:32Z2019-06-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article207-212http://dx.doi.org/10.1016/j.jmbbm.2019.03.011Journal of the Mechanical Behavior of Biomedical Materials, v. 94, p. 207-212.1878-01801751-6161http://hdl.handle.net/11449/19020110.1016/j.jmbbm.2019.03.0112-s2.0-850630609149234456003563666Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal of the Mechanical Behavior of Biomedical Materialsinfo:eu-repo/semantics/openAccess2021-10-23T19:23:19Zoai:repositorio.unesp.br:11449/190201Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462021-10-23T19:23:19Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Effect of different loading pistons on stress distribution of a CAD/CAM silica-based ceramic: CAD-FEA modeling and fatigue survival analysis |
title |
Effect of different loading pistons on stress distribution of a CAD/CAM silica-based ceramic: CAD-FEA modeling and fatigue survival analysis |
spellingShingle |
Effect of different loading pistons on stress distribution of a CAD/CAM silica-based ceramic: CAD-FEA modeling and fatigue survival analysis Miranda, Jean Soares [UNESP] Bending stress Biaxial flexural strength Fatigue Feldspar ceramic Finite element analysis Stress Survival |
title_short |
Effect of different loading pistons on stress distribution of a CAD/CAM silica-based ceramic: CAD-FEA modeling and fatigue survival analysis |
title_full |
Effect of different loading pistons on stress distribution of a CAD/CAM silica-based ceramic: CAD-FEA modeling and fatigue survival analysis |
title_fullStr |
Effect of different loading pistons on stress distribution of a CAD/CAM silica-based ceramic: CAD-FEA modeling and fatigue survival analysis |
title_full_unstemmed |
Effect of different loading pistons on stress distribution of a CAD/CAM silica-based ceramic: CAD-FEA modeling and fatigue survival analysis |
title_sort |
Effect of different loading pistons on stress distribution of a CAD/CAM silica-based ceramic: CAD-FEA modeling and fatigue survival analysis |
author |
Miranda, Jean Soares [UNESP] |
author_facet |
Miranda, Jean Soares [UNESP] de Carvalho, Ronaldo Luís Almeida [UNESP] de Carvalho, Rodrigo Furtado Borges, Alexandre Luis S. [UNESP] Bottino, Marco Antônio [UNESP] Özcan, Mutlu Melo, Renata Marques de [UNESP] Souza, Rodrigo Othávio de Assunção e |
author_role |
author |
author2 |
de Carvalho, Ronaldo Luís Almeida [UNESP] de Carvalho, Rodrigo Furtado Borges, Alexandre Luis S. [UNESP] Bottino, Marco Antônio [UNESP] Özcan, Mutlu Melo, Renata Marques de [UNESP] Souza, Rodrigo Othávio de Assunção e |
author2_role |
author author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) School of Dentistry Clinic for Fixed and Removable Prosthodontics and Dental Materials Science Division of Prosthodontics |
dc.contributor.author.fl_str_mv |
Miranda, Jean Soares [UNESP] de Carvalho, Ronaldo Luís Almeida [UNESP] de Carvalho, Rodrigo Furtado Borges, Alexandre Luis S. [UNESP] Bottino, Marco Antônio [UNESP] Özcan, Mutlu Melo, Renata Marques de [UNESP] Souza, Rodrigo Othávio de Assunção e |
dc.subject.por.fl_str_mv |
Bending stress Biaxial flexural strength Fatigue Feldspar ceramic Finite element analysis Stress Survival |
topic |
Bending stress Biaxial flexural strength Fatigue Feldspar ceramic Finite element analysis Stress Survival |
description |
Purpose: This study evaluated the effect of different loading pistons, made of various materials and with different elastic moduli acting as antagonist material, on stress distribution and fatigue behavior of a CAD/CAM silica-based ceramic. Materials and methods: Discs of CAD/CAM made silica-based ceramic (N = 60) (VITA MARK II) were divided into six groups (n = 10 per group), according to the test method (M: Monotonic; F: Fatigue) and the antagonist piston material (T: Tungsten; S: Steel; G: Epoxy resin). FT, FS and FG combinations were submitted to mechanical cycling (2 × 10 6 cycles, 4 Hz, 45 N). The bending stress after fatigue were also valuated using Weibull analysis and the parameters η (eta), β (beta) and the mean time to failure (MTTF) were calculated. Fractographic analysis and Finite Element Analysis (FEA) were performed. Data were analyzed using ANOVA and Tukey's tests (alpha=0.05). Results: MG presented significantly less bending strength (MPa) (75.6) compared to MT (87.8) and MS (84.4) (p < 0.05). Six specimens from FT (MMTF: 8.3 × 10 6 ; β:0.60; η:5.6 × 10 6 ), four from FS (MMTF: 1.9 × 10 6 ; β:1.2; η:2.0 × 10 6 ) and one from FG (MMTF: 1.3 × 10 6 ; β:0.48; η:0.64 × 10 6 ) survived the fatigue test. The stress peak on the tensile surface of S was similar to that of T and both were less than that of G. The failure origins were on the tensile surface. Conclusion: The epoxy resin pistons were able to decrease the bending stress, and life expectancy (faster failure) of a silica-based ceramic compared to tungsten and steel. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-10-06T17:05:32Z 2019-10-06T17:05:32Z 2019-06-01 |
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/10.1016/j.jmbbm.2019.03.011 Journal of the Mechanical Behavior of Biomedical Materials, v. 94, p. 207-212. 1878-0180 1751-6161 http://hdl.handle.net/11449/190201 10.1016/j.jmbbm.2019.03.011 2-s2.0-85063060914 9234456003563666 |
url |
http://dx.doi.org/10.1016/j.jmbbm.2019.03.011 http://hdl.handle.net/11449/190201 |
identifier_str_mv |
Journal of the Mechanical Behavior of Biomedical Materials, v. 94, p. 207-212. 1878-0180 1751-6161 10.1016/j.jmbbm.2019.03.011 2-s2.0-85063060914 9234456003563666 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Journal of the Mechanical Behavior of Biomedical Materials |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
207-212 |
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_ |
1799965694916296704 |