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Quintessence Publishing: Journals: JAD

 

The Journal of Adhesive Dentistry

Edited by Jean-François Roulet

ISSN (print) 1461-5185 • ISSN (online) 1757-9988

Publication:

May/June 2013
Volume 15 , Issue 3



Pages: 275-286
PMID: 23653901
DOI: 10.3290/j.jad.a29633
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Experimental and Clinical Evaluation of a Self-etching and an Etch-and-Rinse Adhesive System

Häfer, Matthias / Schneider, Hartmut / Rupf, Stefan / Busch, Ingeborg / Fuchß, Andreas / Merte, Ilka / Jentsch, Holger / Haak, Rainer / Merte, Knut

Purpose: To assess the one-step self-etching adhesive iBond Gluma inside (1-SE) and the two-step etch-andrinse adhesive Gluma Comfort Bond (2-ER), both used in combination with the fine particle hybrid composite Venus, in a laboratory and in a prospective clinical study.

Materials and Methods: In the in vitro study, tooth-composite interaction, microleakage, and adhesive failure of 8 Class V restorations per system were evaluated by light and scanning electron microscopy. In the in vivo study, 90 paired Class III/IV restorations were scored over 48 months (modified USPHS criteria). Cumulative failure rates (CFR) were calculated.

Results: In vitro, microleakage and adhesive failure at enamel margins were significantly increased with 1-SE in comparison with 2-ER. With 1-SE, micromechanical interlocking at enamel was reduced and pores within the adhesive layer arose. In vivo, after 48 months with 1-SE, decreased marginal integrity and an increased number of dark marginal color lines were observed.

Conclusion: Because the results of the 4-year clinical study showed lower esthetics and marginal integrity for the 1-SE adhesive, its use should be viewed critically, which is in line with the reduced enamel-adhesive-composite interaction found in vitro.

Keywords: dental adhesive, composite, in vitro test, tooth-composite interface, in vivo test

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