Figure 3. | Microhardness of the tested root canal sealers in the coronal, middle and apical thirds: A = TotalFill® BC Sealer™; B = AH Plus® Bioceramic Sealer; C = BioRoot™ RCS; D = AH Plus® Jet™; E = ProRoot® MTA. |
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Different letters (a to c) indicate statistically significant differences between thirds (P < 0.05, Wilcoxon signed-rank test). |