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VOLUME 7 , ISSUE 5 ( November, 2006 ) > List of Articles

RESEARCH ARTICLE

Microleakage of Seven Adhesive Systems in Enamel and Dentin

Fabrício Aulo Ogliari, Evandro Piva, Flávio Fernando Demarco, Camila Silveira de Araújo, Thiago Incerti da Silva, Sonia Saeger Meireles

Citation Information : Ogliari FA, Piva E, Demarco FF, de Araújo CS, da Silva TI, Meireles SS. Microleakage of Seven Adhesive Systems in Enamel and Dentin. J Contemp Dent Pract 2006; 7 (5):26-33.

DOI: 10.5005/jcdp-7-5-26

License: CC BY-NC 3.0

Published Online: 01-11-2006

Copyright Statement:  Copyright © 2006; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Aim

The aim of this study was to evaluate the microleakage of seven adhesive systems on two substrates (enamel and dentin).

Methods and Materials

Class V cavities were performed in buccal and lingual surfaces of 56 bovine incisors. The cervical margin was located in dentin and the incisal margin in enamel. The specimens were randomly divided into seven groups (n=16), according to the adhesive system employed: Single Bond; Excite; One Step Plus; Gluma One Bond; Magic Bond; One Up Bond F; and One Coat Bond. The cavities were incrementally filled with a hybrid composite Filtek Z250 and polymerized with a XL 3000 light curing unit. After polishing, the specimens were submitted to thermal cycling followed by dye immersion. Leakage was evaluated under magnification (40X) based on a standard ranking. Data were subjected to statistical analysis (Kruskal-Wallis).

Results

Enamel margins exhibited lower leakage than dentin margins (p<0.01). The majority of the specimens were leakage-free and materials performed similarly. Conversely, in dentin most of the specimens exhibited the highest leakage degree and significant differences among materials (p<0.05) were found, with Excite exhibiting the lowest leakage degree. It was concluded enamel provided better sealing and the adhesive system was a significant factor only in dentin.

Citation

Silveira de Araújo C, Incerti da Silva T, Ogliari FA, Meireles SS, Piva E, Demarco FF. Microleakage of Seven Adhesive Systems in Enamel and Dentin. J Contemp Dent Pract 2006 November;(7)5:026-033.


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