Mechanical and surface properties analysis of restorative materials submitted to erosive challenges in situ

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dc.creatorAna Paula Albuquerque Guedes
dc.creatorBruna de Oliveira Reis
dc.creatorAnderson Catelan
dc.creatorThaís Yumi Umeda Suzuki
dc.creatorAndré Luis Fraga Briso
dc.creatorPaulo Henrique dos Santos
dc.date.accessioned2023-03-30T19:58:30Z
dc.date.accessioned2025-09-09T00:23:18Z
dc.date.available2023-03-30T19:58:30Z
dc.date.issued2019-09-23
dc.format.mimetypepdf
dc.identifier.doi10.4103/ejd.ejd_188_18
dc.identifier.issn13057456
dc.identifier.urihttps://hdl.handle.net/1843/51402
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofEuropean Journal of Dentistry
dc.rightsAcesso Aberto
dc.subjectHardness
dc.subjectAcidification
dc.subjectSurface properties
dc.subjectTooth erosion
dc.subjectCarbonated beverages
dc.titleMechanical and surface properties analysis of restorative materials submitted to erosive challenges in situ
dc.typeArtigo de periódico
local.citation.epage565
local.citation.issue4
local.citation.spage559
local.citation.volume12
local.description.resumoObjective: This study aims to evaluate the effect of acidic solutions (AS) on surface roughness (Ra) and microhardness of restorative materials (RM). Materials and Methods: Eight volunteers wore intraoral palatal devices (IPD) containing samples of RM: Ketac Nano (KN); Ketac Nano + Biscover LV (KN-B); Esthet-X (EX); Esthet-X + Biscover LV (EX-B); Supreme XT (SXT); Supreme XT + Biscover LV (SXT-B); and bovine enamel. The samples were submitted to three phases: (1) immersion in 0.01M hydrochloric acid (HCl) – 10 min, three times/day (14 days); (2) immersion in soft drink (Sprite®) – 10 min, three times/day (14 days); and (3) keeping in saliva (14 days). Changes in Ra/microhardness were measured before/after the three phases. Statistical Analysis: ANOVA (α = 0.05) and Fisher's test. Results: Materials sealed with Biscover LV (B) presented lowest values in all periods. KN glass ionomer cement showed highest Ra values after exposure in AS. Application of B did not reduce the Ra for the composites studied, except for EX after immersion in HCl. AS promoted changes in Ra/microhardness of RM, except for sealed materials. Conclusions: The acids used were able to change the Ra and microhardness of RM, except of the sealed materials. The resin-modified GIC showed the most significant changes after immersion in AS; and the composites sealed with B, even after immersion in acidic solutions (AS), showed the lowest Ra values and the least degradation in microhardness, especially when subjected to low pH solutions
local.publisher.countryBrasil
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOLOGIA RESTAURADORA
local.publisher.initialsUFMG
local.url.externahttps://www.thieme-connect.com/products/ejournals/abstract/10.4103/ejd.ejd_188_18

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