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Results:

The mean push-out bond strength in the coronal third was significantly lower in Dorifill group compared to AH-Plus (P= 0.004). This value was significantly lower in BC Sealer group than AH-Plus (P= 0.000) and control group (P= 0.03). In middle and apical thirds, the mean push-out bond strength was not significantly different among the four groups (P= 0.407, P= 0.065, respectively). The mean push-out bond strength was significantly lower in apical than coronal third in AH-Plus group (P= 0.001).

Conclusion:

Application of BC Sealer and Dorifill decreased the mean push-out bond strength of intracanal post to root dentin in the coronal third in comparison to AH-Plus.