Effect of surface treatments on the bond strength of CAD/CAM fiberglass posts
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Effect of surface treatments on the bond strength of CAD/CAM fiberglass posts

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Effect of surface treatments on the bond strength of CAD/CAM fiberglass posts

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dc.contributor.author Garcia, Paula-Pontes es
dc.contributor.author da Costa, Rogério Goulart es
dc.contributor.author Garcia, André-Vivan es
dc.contributor.author Gonzaga, Carla Castiglia es
dc.contributor.author da Cunha, Leonardo Fernandes es
dc.contributor.author Rezende, Carlos-Eduardo-Edwards es
dc.contributor.author Correr, Gisele Maria es
dc.date.accessioned 2018-07-30T09:38:02Z
dc.date.available 2018-07-30T09:38:02Z
dc.date.issued 2018 es
dc.identifier.uri http://hdl.handle.net/10550/67292
dc.description.abstract Background: There is no ideal protocol for the surface treatment of fiber posts, especially when using a computer-aided design/computer-aided manufacturing (CAD/CAM) experimental fiberglass block. The purpose of this study was to evaluate the bond strength of a CAD/CAM customized glass fiber post and core after applying different surface treatment techniques. Material and Methods: Forty premolars were prepared to receive a customized CAD/CAM glass-fiber post and core obtained from an experimental block of glass fiber and epoxy resin. The specimens were randomly distributed in 4 groups (n=10) according to the post and core surface treatment: ETH - 70% ethanol; HP - 24% hydrogen peroxide for 1 minute; ETH/S - 70% ethanol + silane; HP/S - 24% hydrogen peroxide + silane. The universal adhesive containing silane was applied on the posts and prepared post spaces in all groups. The posts were cemented using dual cure resin cement. The specimens were stored in distilled water at 37°C for 24 h, cut (two slices of 1 mm for each root third - coronal, middle, and apical) and subjected to push-out test (0.5 mm/min). Data was subjected to two-way ANOVA (surface treatment and root third) and Tukey?s test (?=0,05). Results: There was no significant difference of bond strength values among groups, regardless the surface treatment ( p >0.05). There was significant difference on bond strength values for the different root thirds ( p <0.05) (coronal> - middle=apical). Conclusions: The different surface treatment and application of additional silane in the CAD/CAM customized glass-fiber post and core does not interfere on bond strength values. The root dentin third interfered on the bond strength, with higher values for the coronal third. es
dc.source Garcia, Paula-Pontes ; da Costa, Rogério Goulart ; Garcia, André-Vivan ; Gonzaga, Carla Castiglia ; da Cunha, Leonardo Fernandes ; Rezende, Carlos-Eduardo-Edwards ; Correr, Gisele Maria. Effect of surface treatments on the bond strength of CAD/CAM fiberglass posts. En: Journal of Clinical and Experimental Dentistry, 10 6 2018: 591-597 es
dc.title Effect of surface treatments on the bond strength of CAD/CAM fiberglass posts es
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.54904 es

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