Physical-mechanical behavior of two resin composites for core build up

Autores
Cabral, Ricardo; Echandia, Lucas; Torassa, Daniel; Becchetti, Alejandra; Molina, G. F.
Año de publicación
2015
Idioma
inglés
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
Fil: Cabral, Ricardo. Universidad Nacional de Córdoba. Facultad de Odontología; Argentina.
Fil: Echandia, Lucas. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Fil: Torassa, Daniel. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Fil: Becchetti, Alejandra. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Fil: Molina, G. F. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Objectives: The aim of the present in vitro study was to compare the physical-mechanical behavior of two resin composites used for core build-up associated with fiber posts by means of micro-push out and diametral tensile strength (DTS) tests. Methods: Two groups were defined: A) Fiber post + Hybrid Resin Composite (Solare, GC America) and B) Fiber post + Fiber reinforced resin composite (Ever-X, GC Europe). Posts of 2.0mm diameter were centered into PTFE cylindrical moulds of 6mm diameter and 10mm height, centrally positioned by rubber caps at both ends of the cylinder. The cylinder was filled with the composite resin and the rubber caps were placed, pressing to the centre of the cylinder. Each assembly was photo-polymerized for 2 minutes. Three slices of 1mm for micro push-out and two of 3mm thick for DTS were obtained from each specimen. For each test, 10 samples of each group were tested using a Universal Testing Machine at crosshead speed of 0.5mm/min. Bond strength of the resin to the post was calculated in MPa as well as DTS using corresponding formulas, depending on the thickness of the samples and the load until fracture. All the samples were observed under a stereoscope microscope after being tested to determine the site of the fractures. Statistical analysis: Chi-square test was used to identify statistically significant differences between the treatment groups. Results: Mean(sd) values for micro push out test were 167.3(7.8)MPa 273.8(10.7)MPa (p=0.00031) for groups A and B respectively . DTS mean(sd) values were 54.4(3.3) MPa and 65.6(5.2)MPa ( p=0.025) for groups A and B respectively. Conclusions: Fiber re-inforced resin composite outperformed its micro-hybrid counterpart both in micro-push out and DTS tests. This in vitro study suggests that Ever-X could be a suitable material for core build-up combined with fiber posts.
www.iadr.org
Fil: Cabral, Ricardo. Universidad Nacional de Córdoba. Facultad de Odontología; Argentina.
Fil: Echandia, Lucas. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Fil: Torassa, Daniel. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Fil: Becchetti, Alejandra. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Fil: Molina, G. F. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Otras Ciencias Médicas
Materia
Core build up
Resin composites
Fiber post
Adhesión
Nivel de accesibilidad
acceso abierto
Condiciones de uso
Repositorio
Repositorio Digital Universitario (UNC)
Institución
Universidad Nacional de Córdoba
OAI Identificador
oai:rdu.unc.edu.ar:11086/556155
Acceder
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oai_identifier_str oai:rdu.unc.edu.ar:11086/556155
network_acronym_str RDUUNC
repository_id_str 2572
network_name_str Repositorio Digital Universitario (UNC)
spelling Physical-mechanical behavior of two resin composites for core build upCabral, RicardoEchandia, LucasTorassa, DanielBecchetti, AlejandraMolina, G. F.Core build upResin compositesFiber postAdhesiónFil: Cabral, Ricardo. Universidad Nacional de Córdoba. Facultad de Odontología; Argentina.Fil: Echandia, Lucas. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.Fil: Torassa, Daniel. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.Fil: Becchetti, Alejandra. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.Fil: Molina, G. F. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.Objectives: The aim of the present in vitro study was to compare the physical-mechanical behavior of two resin composites used for core build-up associated with fiber posts by means of micro-push out and diametral tensile strength (DTS) tests. Methods: Two groups were defined: A) Fiber post + Hybrid Resin Composite (Solare, GC America) and B) Fiber post + Fiber reinforced resin composite (Ever-X, GC Europe). Posts of 2.0mm diameter were centered into PTFE cylindrical moulds of 6mm diameter and 10mm height, centrally positioned by rubber caps at both ends of the cylinder. The cylinder was filled with the composite resin and the rubber caps were placed, pressing to the centre of the cylinder. Each assembly was photo-polymerized for 2 minutes. Three slices of 1mm for micro push-out and two of 3mm thick for DTS were obtained from each specimen. For each test, 10 samples of each group were tested using a Universal Testing Machine at crosshead speed of 0.5mm/min. Bond strength of the resin to the post was calculated in MPa as well as DTS using corresponding formulas, depending on the thickness of the samples and the load until fracture. All the samples were observed under a stereoscope microscope after being tested to determine the site of the fractures. Statistical analysis: Chi-square test was used to identify statistically significant differences between the treatment groups. Results: Mean(sd) values for micro push out test were 167.3(7.8)MPa 273.8(10.7)MPa (p=0.00031) for groups A and B respectively . DTS mean(sd) values were 54.4(3.3) MPa and 65.6(5.2)MPa ( p=0.025) for groups A and B respectively. Conclusions: Fiber re-inforced resin composite outperformed its micro-hybrid counterpart both in micro-push out and DTS tests. This in vitro study suggests that Ever-X could be a suitable material for core build-up combined with fiber posts.www.iadr.orgFil: Cabral, Ricardo. Universidad Nacional de Córdoba. Facultad de Odontología; Argentina.Fil: Echandia, Lucas. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.Fil: Torassa, Daniel. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.Fil: Becchetti, Alejandra. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.Fil: Molina, G. F. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.Otras Ciencias Médicas2015info:eu-repo/semantics/conferenceObjectinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfhttp://hdl.handle.net/11086/556155info:eu-repo/semantics/openAccessengreponame:Repositorio Digital Universitario (UNC)instname:Universidad Nacional de Córdobainstacron:UNC2025-10-16T09:30:20Zoai:rdu.unc.edu.ar:11086/556155Institucionalhttps://rdu.unc.edu.ar/Universidad públicaNo correspondehttp://rdu.unc.edu.ar/oai/snrdoca.unc@gmail.comArgentinaNo correspondeNo correspondeNo correspondeopendoar:25722025-10-16 09:30:21.074Repositorio Digital Universitario (UNC) - Universidad Nacional de Córdobafalse
dc.title.none.fl_str_mv Physical-mechanical behavior of two resin composites for core build up
title Physical-mechanical behavior of two resin composites for core build up
spellingShingle Physical-mechanical behavior of two resin composites for core build up
Cabral, Ricardo
Core build up
Resin composites
Fiber post
Adhesión
title_short Physical-mechanical behavior of two resin composites for core build up
title_full Physical-mechanical behavior of two resin composites for core build up
title_fullStr Physical-mechanical behavior of two resin composites for core build up
title_full_unstemmed Physical-mechanical behavior of two resin composites for core build up
title_sort Physical-mechanical behavior of two resin composites for core build up
dc.creator.none.fl_str_mv Cabral, Ricardo
Echandia, Lucas
Torassa, Daniel
Becchetti, Alejandra
Molina, G. F.
author Cabral, Ricardo
author_facet Cabral, Ricardo
Echandia, Lucas
Torassa, Daniel
Becchetti, Alejandra
Molina, G. F.
author_role author
author2 Echandia, Lucas
Torassa, Daniel
Becchetti, Alejandra
Molina, G. F.
author2_role author
author
author
author
dc.subject.none.fl_str_mv Core build up
Resin composites
Fiber post
Adhesión
topic Core build up
Resin composites
Fiber post
Adhesión
dc.description.none.fl_txt_mv Fil: Cabral, Ricardo. Universidad Nacional de Córdoba. Facultad de Odontología; Argentina.
Fil: Echandia, Lucas. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Fil: Torassa, Daniel. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Fil: Becchetti, Alejandra. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Fil: Molina, G. F. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Objectives: The aim of the present in vitro study was to compare the physical-mechanical behavior of two resin composites used for core build-up associated with fiber posts by means of micro-push out and diametral tensile strength (DTS) tests. Methods: Two groups were defined: A) Fiber post + Hybrid Resin Composite (Solare, GC America) and B) Fiber post + Fiber reinforced resin composite (Ever-X, GC Europe). Posts of 2.0mm diameter were centered into PTFE cylindrical moulds of 6mm diameter and 10mm height, centrally positioned by rubber caps at both ends of the cylinder. The cylinder was filled with the composite resin and the rubber caps were placed, pressing to the centre of the cylinder. Each assembly was photo-polymerized for 2 minutes. Three slices of 1mm for micro push-out and two of 3mm thick for DTS were obtained from each specimen. For each test, 10 samples of each group were tested using a Universal Testing Machine at crosshead speed of 0.5mm/min. Bond strength of the resin to the post was calculated in MPa as well as DTS using corresponding formulas, depending on the thickness of the samples and the load until fracture. All the samples were observed under a stereoscope microscope after being tested to determine the site of the fractures. Statistical analysis: Chi-square test was used to identify statistically significant differences between the treatment groups. Results: Mean(sd) values for micro push out test were 167.3(7.8)MPa 273.8(10.7)MPa (p=0.00031) for groups A and B respectively . DTS mean(sd) values were 54.4(3.3) MPa and 65.6(5.2)MPa ( p=0.025) for groups A and B respectively. Conclusions: Fiber re-inforced resin composite outperformed its micro-hybrid counterpart both in micro-push out and DTS tests. This in vitro study suggests that Ever-X could be a suitable material for core build-up combined with fiber posts.
www.iadr.org
Fil: Cabral, Ricardo. Universidad Nacional de Córdoba. Facultad de Odontología; Argentina.
Fil: Echandia, Lucas. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Fil: Torassa, Daniel. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Fil: Becchetti, Alejandra. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Fil: Molina, G. F. Universidad Católica de Córdoba. Carrera de Odontología; Argentina.
Otras Ciencias Médicas
description Fil: Cabral, Ricardo. Universidad Nacional de Córdoba. Facultad de Odontología; Argentina.
publishDate 2015
dc.date.none.fl_str_mv 2015
dc.type.none.fl_str_mv info:eu-repo/semantics/conferenceObject
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_5794
info:ar-repo/semantics/documentoDeConferencia
format conferenceObject
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11086/556155
url http://hdl.handle.net/11086/556155
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Repositorio Digital Universitario (UNC)
instname:Universidad Nacional de Córdoba
instacron:UNC
reponame_str Repositorio Digital Universitario (UNC)
collection Repositorio Digital Universitario (UNC)
instname_str Universidad Nacional de Córdoba
instacron_str UNC
institution UNC
repository.name.fl_str_mv Repositorio Digital Universitario (UNC) - Universidad Nacional de Córdoba
repository.mail.fl_str_mv oca.unc@gmail.com
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score 12.712165

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