Logo do repositório
 

Repairability of aged resin composites mediated by different restorative systems

dc.contributor.authorLemos, Cleidiel Aa
dc.contributor.authorMauro, Sílvio J
dc.contributor.authorde Campos, Renata A.
dc.contributor.authorDos Santos, Paulo H.
dc.contributor.authorMachado, Lucas S.
dc.contributor.authorFagundes, Ticiane C.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-12-11T17:23:36Z
dc.date.available2018-12-11T17:23:36Z
dc.date.issued2016-04-01
dc.description.abstractThe aim of this study was to evaluate the shear bond strength of resin composite repairs with and without aging of the surface to be repaired, using different adhesive systems and resin composites. Ninety specimens were prepared: 10 for the Control Group (GC - without repair); 40 for Group I (GI - repairs after 7 days) and 40 for Group II (GII - repairs after 180 days). Groups I and II were divided into 4 subgroups of 10 specimens each, according to the adhesive system and composite resin used: A) Adper Scotch Bond Multipurpose + Filtek Z350 XT; B) Adper Single Bond Plus + Filtek Z350 XT; C) Adper Scotch Bond Multipurpose + Esthet-X; D) Adper Single Bond Plus + Esthet-X. The specimens were tested for shear strength in a universal testing machine. The results were analyzed by two-factor one-way ANOVA and Fisher's post hoc tests (alpha=0.05). The control group had better performance than the other groups. There was no significant difference when comparing different adhesive systems and composite resins. Repairs performed at 7 days were better than those performed at 180 days. The composite repairs decreased the mechanical strength of the restoration. Aging of the resin substrate may decrease repair bond strength over time, regardless of the type of adhesive systems and resin composites used.en
dc.description.abstractAvaliar a resistência de união ao cisalhamento de reparos de resina composta com e sem envelhecimento da superfície a ser reparada, utilizando diferentes sistemas adesivos. Noventa corpos de prova foram confeccionados sendo: 10 para o Grupo Controle (GC - sem reparo); 40 para o Grupo I (GI - reparos após 7 dias) e 40 para o Grupo II (GII – reparos após 180 dias). Para os reparos, os grupos GI e GII foram subdivididos em 4 subgrupos com 10 corpos de prova, variando o sistema adesivo e a resina composta: A) Adper Scotch Bond Multipurpose+ Filtek Z350XT; B)Adper Single Bond Plus+ Filtek Z350XT; C)Adper Scotch Bond Multipurpose+ Esthet-X; D) Adper Single Bond Plus+ Esthet-X. Os corpos de prova foram submetidos a uma força de cisalhamento em uma máquina de ensaio universal (EMIC). Os resultados foram analisados pelo teste estatístico Anova dois fatores, seguido pelo teste de Fisher´s. Observou-se melhor comportamento do grupo controle sobre os demais grupos, além disso, os reparos realizados aos 7 dias foram superiores aos dos realizados em 180 dias. Não houve diferença significativaquando se comparou diferentes sistemas adesivos e resinas compostas. Os reparos de resina composta diminuem a resistência mecânica da restauração.O envelheci mento do substrato de resina pode diminuir a resistência ao reparo ao longo do tempo, independentemente do tipo de sistemas adesivos e resinas compostas utilizados.pt
dc.description.affiliationDepartment of Dental Materials and Prosthodontics, Araçatuba Dental School, UNESP - Univ Estadual Paulista, Araçatuba, 16015-050, SP, Brazil
dc.description.affiliationDepartment of Restorative Dentistry, Araçatuba Dental School, UNESP - Univ Estadual Paulista, Araçatuba, 16015-050, SP, Brazil
dc.description.affiliationPrivate Practice, São Paulo, 03164-000, SP, Brazil
dc.description.affiliationDepartment of ConservativeDentistry, College of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, 90035-003, RS, Brazil
dc.description.affiliationDepartment of Restorative Dentistry, Araçatuba Dental School, UNESP - Univ Estadual Paulista, Araçatuba, 16015-050, SP, Brazil. ticiane_f@hotmail.com
dc.format.extent7-13
dc.identifier.citationActa odontologica latinoamericana : AOL, v. 29, n. 1, p. 7-13, 2016.
dc.identifier.issn1852-4834
dc.identifier.scopus2-s2.0-85029548818
dc.identifier.urihttp://hdl.handle.net/11449/177039
dc.language.isoeng
dc.relation.ispartofActa odontologica latinoamericana : AOL
dc.rights.accessRightsAcesso restritopt
dc.sourceScopus
dc.subjectadhesives
dc.subjectaging
dc.subjectComposite resins
dc.titleRepairability of aged resin composites mediated by different restorative systemsen
dc.typeArtigopt
dspace.entity.typePublication
relation.isDepartmentOfPublication5f53b343-da2a-4737-96ec-6e2389a6d704
relation.isDepartmentOfPublication.latestForDiscovery5f53b343-da2a-4737-96ec-6e2389a6d704
relation.isOrgUnitOfPublication8b3335a4-1163-438a-a0e2-921a46e0380d
relation.isOrgUnitOfPublication.latestForDiscovery8b3335a4-1163-438a-a0e2-921a46e0380d
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Odontologia, Araçatubapt
unesp.departmentMateriais odontológicos e Prótese - FOApt
unesp.departmentOdontologia Restauradora - FOApt

Arquivos