Effect of indirect composite treatment microtensile bond strength of self-adhesive resin cements
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Effect of indirect composite treatment microtensile bond strength of self-adhesive resin cements

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Effect of indirect composite treatment microtensile bond strength of self-adhesive resin cements

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dc.contributor.author Fuentes, Mª V. es
dc.contributor.author Escribano Mediavilla, Nuria es
dc.contributor.author Baracco, Bruno es
dc.contributor.author Romero Maroto, Martín es
dc.contributor.author Ceballos, Laura es
dc.date.accessioned 2016-02-22T09:21:22Z
dc.date.available 2016-02-22T09:21:22Z
dc.date.issued 2016 es
dc.identifier.uri http://hdl.handle.net/10550/50977
dc.source Fuentes, Mª V. ; Escribano Mediavilla, Nuria ; Baracco, Bruno ; Romero Maroto, Martín ; Ceballos, Laura. Effect of indirect composite treatment microtensile bond strength of self-adhesive resin cements. En: Journal of Clinical and Experimental Dentistry, 2016, Vol. 8, No. 1: 14-21 es
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Effect of indirect composite treatment microtensile bond strength of self-adhesive resin cements 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.description.abstractenglish Background: No specific indications about the pre-treatment of indirect composite restorations is provided by the manufacturers of most self-adhesive resin cements. The potential effect of silane treatment to the bond strength of the complete tooth/indirect restoration complex is not available.The aim of this study was to determine the contribution of different surface treatments on microtensile bond strength of composite overlays to dentin using several self-adhesive resin cements and a total-etch one. Material and Methods: Composite overlays were fabricated and bonding surfaces were airborne-particle abraded and randomly assigned to two different surface treatments: no treatment or silane application (RelyX Ceramic Primer) followed by an adhesive (Adper Scotchbond 1 XT). Composite overlays were luted to flat dentin surfaces using the following self-adhesive resin cements: RelyX Unicem, G-Cem, Speedcem, Maxcem Elite or Smartcem2, and the total-etch resin cement RelyX ARC. After 24 h, bonded specimens were cut into sticks 1 mm thick and stressed in tension until failure. Two-way ANOVA and SNK tests were applied at α=0.05. Results: Bond strength values were significantly influenced by the resin cement used ( p <0.001). However, composite surface treatment and the interaction between the resin cement applied and surface treatment did not significantly affect dentin bond strength ( p >0.05). All self-adhesive resin cements showed lower bond strength values than the total-etch RelyX ARC. Among self-adhesive resin cements, RelyX Unicem and G-Cem attained statistically higher bond strength values. Smartcem2 and Maxcem Elite exhibited 80-90% of pre-test failures. Conclusions: The silane and adhesive application after indirect resin composite sandblasting did not improve the bond strength of dentin-composite overlay complex. Selection of the resin cement seems to be a more relevant factor when bonding indirect composites to dentin than its surface treatment es

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