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International Journal of Applied Dental Sciences
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ISSN Print: 2394-7489, ISSN Online: 2394-7497
ICV 2018: 74.52

International Journal of Applied Dental Sciences

2017, Vol. 3 Issue 3, Part A

Influence of artificial aging on the bonding effectiveness of eight adhesives in class V cavities

AUTHOR(S): Said Karabekiroglu, Nimet Ünlü, FusunOzer and Markus B Blatz
ABSTRACT:The aim of this study was to compare the microtensile bond strengths (µTBS) of current eight self-etch and total-etch adhesives in class V cavities and to evaluate the effects of artificial aging (thermal cycling and mechanical loading). Class V cavities were prepared on 64 extracted human molar teeth and were divided into eight groups according to the bonding system used; CSE, OSP, SB, SSE, PRL, FLB, SMP, and CPB. All cavities were restored with a composite resin (Clearfil Majesty Posterior). Following restorative procedures, the restored teeth of each adhesive group were allocated to two subgroups (n=4): specimens that would receive thermal cycling (5000 cycles, 5° to 55°C) and mechanical loading (60,000 cycles-50 N) and control (C) without thermal cycling and mechanical loading. After storage in distilled water for 24 hours, restorations were sectioned longitudinally and bucco-lingually to rectangular rods of 1 mm thickness from the cavity floor of restorations. All specimens were then subjected to µTBS (MPa). Fracture mode analysis was performed under Stereomicroscopy. After thermal and mechanical loading, the bond strengths of the tested adhesives remained almost the same compared to their control groups, except for FLB and SMP (p<0.05). It was observed that thermal and mechanical loading doesn’t have adversely effect on dentin bond strength of most of total-etch and self-etch adhesive systems in class V cavities. The dentin bond strengths of many different adhesive systems didn’t adversely affect by thermal and mechanical load cycling. However, results vary greatly with adhesive system type.
Pages: 31-36  |  761 Views  18 Downloads
How to cite this article:
Said Karabekiroglu, Nimet Ünlü, FusunOzer and Markus B Blatz. Influence of artificial aging on the bonding effectiveness of eight adhesives in class V cavities. International Journal of Applied Dental Sciences. 2017; 3(3): 31-36.
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International Journal of Applied Dental Sciences