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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2014, Volume 51, Issue 4,





GIANINA IOVAN, SIMONA STOLERIU, CRISTINA ANGELA GHIORGHE, NICANOR CIMPOESU, ANDREI GEORGESCU, SORIN ANDRIAN Evaluation of the Interfacial Morphology between a Single Component Adhesive and Dentin with or without Preliminary Acid Etching


Abstract:
The purpose of this study was to analyze the interfacial morphology between dentin and a single-component dental adhesive system (Single Bond Universal, 3M ESPE), applied with or without preliminary phosphoric acid etching. In this study, 20 cavities were prepared in extracted teeth and restored with composite resin, using the tested adhesive. The axial sections were observed by scanning electron microscopy. When the adhesive was applied without etching, the hybrid layer was thin and not uniform. The resin tags could rarely be observed within the tubules. Preliminary acid etching of dentin resulted in thicker hybrid layers and augmented resin tags. However, for the tested adhesive, preliminary etching with phosphoric acid did not seem to significantly improve the quality of the dentin sealing. The EDX determination using the Line mode of the elements variation indicated a more severe drop of calcium in dentin when preliminary etching with phosphoric acid was applied comparing to the situations when the adhesive was applied in self-etching procedures. Keywords: bonding system, phosphoric acid, hybrid layer, dentin, self-etch, total-etch



Issue: 2014 Volume 51, Issue 4
Pages:
Publication date: 2014/12/30
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