Effect of intracanal medicaments on the push-out bond strength of Biodentine in comparison with Bioaggregate apical plugs
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To evaluate the effect of intracanal medicaments on the push-out bond strength of Biodentine in comparison with DiaRoot BioAggregate (BA) when used as apical plugs. Forty single-rooted teeth were prepared using Peeso reamers. The samples were divided into four groups. The intracanal medicaments were applied to the root canals as follows: Group1: a combination of metronidazole-ciprofloxacin-cefaclor, Group2: a combination of metronidazole-ciprofloxacin, Group3: calcium hydroxide, and Group4: no medication. After 21 days, the medicaments were removed. The apical part of each root was horizontally sectioned into 1-mm thick slices. The samples were divided into two subgroups, and the following materials were placed: Biodentine, DiaRoot-BioAggregate. After 48-h incubation, the push-out bond strength was measured. The data were analyzed by a two-way ANOVA. Biodentine showed a significantly higher mean push-out bond strength value than DiaRoot-BioAggregate (P=0.00). The medications have an effect on the push-out bond strength of both materials (P=0.002). Biodentine showed better adhesive performance as an apical plug than DiaRoot-BioAggregate.