Observation of tags and hybrid layer of a single bottle conventional adhesive system and a self-etching adhesive system, on sound dentin

Machado, L.S.; Sundfeld, R.H.; Cardoso, J.D.; Oliveira, F.G.; da Silva, A.P.B.R.; Delicio, G.; de Alexandre, R.S.; Sundefeld, M.L.M.M.

Acta odontologica latinoamericana AOL 22(3): 183-189

2009


ISSN/ISBN: 0326-4815
PMID: 20302217
Document Number: 632445
This experimental light microscopy study investigated the formation of a hybrid layer and resin tags on sound dentin, after utilization of conventional and self-etching adhesive systems. After restorative procedures, the specimens were decalcified in a formic acid and sodium citrate solution, embedded in paraffin, sectioned at 6-microm thickness and stained by the Brown & Brenn method for analysis and measurement by light microscopy (AXIOPHOT) (400x). The results were statistically analyzed by analysis of variance, at a significance level of 5%. Based on the results, it could be concluded that the conventional adhesive allowed the formation of a thicker hybrid layer than the self-etching adhesive, with similar penetration into the dentinal tubules (resin tags).

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