NDLI: Effect of surface treatments of laboratory-fabricated composites on the microtensile bond strength to a luting resin cement.

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Effect of surface treatments of laboratory-fabricated composites on the microtensile bond strength to a luting resin cement.

Content Provider	Semantic Scholar
Author	Soares, Carlos José Giannini, Marcelo Oliveira, Marcelo Tavares De Paulillo, Luís Alexandre Maffei Sartini Martins, Luís Roberto Marcondes
Copyright Year	2004
Abstract	The purpose of this study was to evaluate the influence of different surface treatments on composite resin on the microtensile bond strength to a luting resin cement. Two laboratory composites for indirect restorations, Solidex and Targis, and a conventional composite, Filtek Z250, were tested. Forty-eight composite resin blocks (5.0 x 5.0 x 5.0mm) were incrementally manufactured, which were randomly divided into six groups, according to the surface treatments: 1- control, 600-grit SiC paper (C); 2- silane priming (SI); 3- sandblasting with 50 mm Al2O3 for 10s (SA); 4- etching with 10% hydrofluoric acid for 60 s (HF); 5- HF + SI; 6 - SA + SI. Composite blocks submitted to similar surface treatments were bonded together with the resin adhesive Single Bond and Rely X luting composite. A 500-g load was applied for 5 minutes and the samples were light-cured for 40s. The bonded blocks were serially sectioned into 3 slabs with 0.9mm of thickness perpendicularly to the bonded interface (n = 12). Slabs were trimmed to a dumbbell shape and tested in tension at 0.5mm/min. For all composites tested, the application of a silane primer after sandblasting provided the highest bond strength means.
Starting Page	45
Ending Page	50
Page Count	6
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.revistas.usp.br/jaos/article/download/3175/3864
PubMed reference number	21365151v1
Volume Number	12
Issue Number	1
Journal	Journal of applied oral science : revista FOB
Language	English
Access Restriction	Open
Subject Keyword	Adhesives Composite Resins Cross-Priming Hafnium Hydrofluoric Acid Priming Exercise Resin Cements Resins, Plant Solidex Standard Industrial Classification Sulfanilamide Supernumerary maxillary left lateral incisor Targis Tension silane
Content Type	Text
Resource Type	Article

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