Assessment of shear bond strength and microleakage of fissure sealant following enamel deproteinization : an in vitro study

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2020
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Abstract
To evaluate the effect of two different deproteinizing agents (5.25% sodium hypochlorite and Papacarie®) prior to acid etching on the shear bond strength and microleakage of a fissure sealant material. A total of 123 extracted noncarious human third molar teeth were randomly divided into three groups for each test: acid etching alone (control) (C), sodium hypochlorite (NaOCl), and Papacarie Duo® (PC). The shear bond strength tests were performed using a universal testing machine, and microleakage was evaluated using a dye penetration method. The mean shear bond strength values obtained in Group C were significantly lower than those of Group NaOCl and Group PC (p=0.0001). There were no significant differences between Group NaOCl and Group PC (p>0.05). No statistically significant difference was observed among the groups in terms of microleakage (p>0.05). Papacarie Duo® and 5.25% sodium hypochlorite treatments before etching increased the shear bond strength of the fissure sealant. However, pre-treatment with these agents did not decrease the microleakage between teeth and sealant.
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Bayrak, Gokcen-Deniz ; Gurdogan-Guler, Elif-Beril ; Yildirim, Yagmur ; Ozturk, Dilek ; Selvi-Kuvvetli, Senem. Assessment of shear bond strength and microleakage of fissure sealant following enamel deproteinization : an in vitro study. En: Journal of Clinical and Experimental Dentistry, 12 3 2020: 220-226