NDLI: 1-Year clinical study of indirect resin composite restorations luted with a self-adhesive resin cement: effect of enamel etching

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1-Year clinical study of indirect resin composite restorations luted with a self-adhesive resin cement: effect of enamel etching

Content Provider	Scilit
Author	Azevedo, Cristiana Godoy Sartori Goes, Mario Fernando De Ambrosano, Glaucia Maria Bovi Chan, Daniel C. N.
Copyright Year	2012
Description	In vitro studies have recommended enamel-etching before luting indirect restorations with self-adhesive resin cement. However, there is no scientific proof that this procedure has any clinical relevance. Thus, the aim of this study was to evaluate the effect of enamel-etching on the marginal quality of indirect composite resin restorations (inlay/onlay) using the self-adhesive cement RelyX Unicem clicker. Forty-two posterior teeth were selected from 25 patients that presented one or two teeth with large restorations in need of replacement. All teeth were prepared by the same operator and impressed with polyvinylsiloxane material. The composite resin restorations were built over plaster casts using the incremental technique with a LED device for light-curing the increments. The inlays/onlays were cemented according to one of the following protocols: 1. Etched group (ETR) - selective enamel phosphoric-acid etching + RelyX Unicem clicker; 2. Non-etched group (NER) - RelyX Unicem clicker alone. Each surface was light-cured for 60 s. Recalls occurred after 1 week (baseline), 6 and 12 months when the teeth were evaluated according to previously established scores (modified USPHS criteria). The clinical analysis showed little or no visible changes in the marginal quality after 1 year, even though a probe could detect all the restorations margins. Statistical analysis (Fisher’s exact test, p
Related Links	http://www.scielo.br/pdf/bdj/v23n2/v23n02a02.pdf
ISSN	01036440
e-ISSN	18064760
DOI	10.1590/s0103-64402012000200002
Journal	Brazilian Dental Journal
Issue Number	2
Volume Number	23
Language	English
Publisher	FapUNIFESP (SciELO)
Publisher Date	2012-04-01
Access Restriction	Open
Subject Keyword	Brazilian Dental Journal Dentistry and Oral Surgery Microscopic Research Indirect Restorations
Content Type	Text
Resource Type	Article
Subject	Dentistry

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