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The effect of different adhesives and setting times on bond strength between Biodentine and composite
Hakan Çolak1, Uğur Tokay2, Recep Uzgur3
1Department of Restorative Dentistry, Faculty of Dentistry, Zirve University, Gaziantep - Turkey.
Background:
The aim of this study was to evaluate the effects of 3 different adhesives with different functional monomers, on the shear bond strength (SBS) of Biodentine®.
Methods:
Acrylic blocks (n = 90) were prepared and a 2-mm height x 4-mm diameter hole was opened in each block. Every hole was completely restored with Biodentine®. Before preparation of composite restorations over the Biodentine® (2-mm height x 2-mm diameter), 3 different adhesives (Etch-37 (37%) w/BAC by Bisco & Prime Bond N&T, Clearfil S3 Bond and Adper Prompt L-Pop) were applied. SBS was evaluated using a universal testing machine, and failure mode for each sample was recorded. The results were statistically analyzed using 2-way ANOVA and post hoc Tukey test.
Results:
When the megapascal values of all groups were compared, although there was no statistically significant difference in the different setting times (p>0.05), statistically significant differences were observed among all adhesive groups (p<0.05). Moreover, the highest SBS values were observed in the Clearfil S3 Bond group.
Conclusions:
Clinical performance of Biodentine® may be affected by adhesive procedures and its setting time.
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