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dc.contributor.authorBail, Michele-
dc.contributor.authorJorge, Janaina Habib-
dc.contributor.authorUrban, Vanessa Migliorini-
dc.contributor.authorCampanha, Nara Hellen-
dc.identifier.citationJournal of Prosthodontics.-
dc.description.abstractPurpose: The aim of this in vivo animal study was to investigate changes in the surface roughness of soft liners over time. Materials and Methods: Forty adult Wistar rats (Rattus norvergicus albinus) were fitted with acrylic custom-made palatal plates relined by dynamic impressions and tested with the following soft liners: Dentuflex (DF), Trusoft (TS), Dentusoft (DS), and Ufi Gel P (UG). Half of the animals for each tested material had the plates fitted during the material reline procedure. Their surface roughness was read immediately (IRa group, n = 5). The other half used the palatal plates for 14 days before roughness readings were performed (FRa group, n = 5). The surface roughness (Ra) of the inner surface from the relined dentures was recorded using a Surftest SJ-401 with eight readings per specimen, and mean values were obtained. Data (μm) were analyzed by two-way ANOVA and Tukey's test (α = 0.05). Results: IRa means (2.92 ± 0.87 μm) and FRa means (3.35 ± 0.65 μm) were significantly different (p = 0.016). UG showed a lower (p = 0.01) Ra mean (2.1 ± 0.52 μm) than DF (3.94 ± 0.81 μm), TS (4.12 ± 0.64 μm), and DS (3.27 ± 0.64 μm). Conclusions: Ufi Gel P showed the smoothest surface among the materials evaluated. The period of use resulted in changes in the surface roughness of the materials tested. © 2013 by the American College of Prosthodontists.en
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
dc.description.sponsorshipAraucaria Foundation, Parana, Brazil-
dc.subjectRats, Wistar-
dc.titleSurface Roughness of Acrylic and Silicone-Based Soft Liners: In Vivo Study in a Rat Modelen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.sponsorshipIdAraucaria Foundation, Parana, Brazil11386-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Prosthodontics-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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