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2004, vol. 8, br. 1, str. 28-31
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Microleakage of class V composite resin restorations bonded with different bonding agents
(naslov ne postoji na srpskom)
Ankara University, Faculty of Dentistry, Department of Restorative Dentistry, Ankara, Turkey
Sažetak
(ne postoji na srpskom)
The purpose of this in vitro study was to evaluate the marginal seal of 2 adhesive systems on Class V restorations. Class V cavities (3.0mm x 2.0mm x 1.5mm) were prepared on 25 extracted non-carious human molars. 2 different adhesive systems - Optibond (Kerr, USA) and Clearfil Liner Bond 2 (Kuraray Japan) were used before the application of composite restorations. Both systems were used with and without etching. As the control group, total etch technique with 35% phosphoric acid system (Scotcbond Multipurpose Adhesive System, 3M) was applied on the last 5 cavities before the restoration. All specimens were thermocycled 100 times. The specimens were immersed in 0.5% basic fuchsine solution for 24 hours, and then sectioned bucco-lingually. The degree of dye penetration was evaluated in microns under stereomicroscope. A chi-square test revealed no significant difference in microleakage of all groups.
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