Degree of conversion of resin cements polymerized under different thicknesses of feldspathic porcelain

dc.creatorMarcio Leandro Von Dreifus Marinho
dc.creatorThaís Yumi Umeda Suzuki
dc.creatorWirley Gonçalves Assunção
dc.creatorJoão Carlos Silos Moraes
dc.creatorPaulo Henrique dos Santos
dc.date.accessioned2023-04-04T20:36:44Z
dc.date.accessioned2025-09-08T23:09:07Z
dc.date.available2023-04-04T20:36:44Z
dc.date.issued2019-04-08
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.20396/bjos.v18i0.8655288
dc.identifier.issn16773225
dc.identifier.urihttps://hdl.handle.net/1843/51574
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofBrazilian Journal of Oral Sciences
dc.rightsAcesso Aberto
dc.subjectCeramics
dc.subjectResin cements
dc.subjectPolymerization
dc.titleDegree of conversion of resin cements polymerized under different thicknesses of feldspathic porcelain
dc.typeArtigo de periódico
local.citation.epage09
local.citation.spage01
local.citation.volume18
local.description.resumoAim: The aim of this study is to evaluate the degree of conversion (DC) of resin cements polymerized under different thicknesses of feldspathic dental ceramic. Methods: Forty samples of RelyX ARC and RelyX Veneer resin cements were polymerized under Starlight feldspathic ceramic discs (DeguDent Gmbh) with 0.5 mm, 1.2 mm, 1.8 mm, and 2.4 mm in thickness. The control group was cured without the interposition of ceramic. The DC measurements were performed 10 minutes, 1 hour, and 24 hours after the lightactivation in a Nexus 670 FTIR spectrophotometer. Data were analyzed by two-way repeated measure ANOVA and Fisher PLSD test. Results: The RelyX ARC showed higher DC for all ceramic thicknesses. There was significant decrease in DC related to an increase in ceramic thickness. For RelyX ARC, the values of DC obtained after 1 hour and 24 hours did not differ statistically between them, but they were higher than those analyzed after 10 minutes. For RelyX Veneer cement, there was gradual increase in the DC up to 24 hours. Conclusion: The higher the thicknesses of ceramic, the lower DC of the resin cement.
local.publisher.countryBrasil
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOLOGIA RESTAURADORA
local.publisher.initialsUFMG
local.url.externahttps://periodicos.sbu.unicamp.br/ojs/index.php/bjos/issue/view/1597

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