Table 1.
Groups | Initial volume of the root canal | Root canal volume after instrumentation with ProTaper Next | Volume of residual material after filling removal with Reciproc R40 |
---|---|---|---|
Median (p25–p75) | Median (p25–p75) | Median (p25–p75) | |
AH-PUI and AH-XPR | 7.51 (6.10–11.68) A | 14.65 (11.80–16.95) A | 1.35 (0.42–4.01) A |
BC-PUI and BC-XPR | 8.64 (5.84–10.48) A | 13.92 (12.27–15.24) A | 1.02 (0.19–1.97) A |
P-value | 0.935 | 0.607 | 0.213 |
AH-PUI, AH Plus sealer and passive ultrasonic irrigation (PUI); AH-XPR, AH-Plus sealer and XP-endo Finisher R instrument (XPR); BC-PUI, Bio-C Sealer and PUI; and BC-XPR, Bio-C Sealer and XPR. Different letters within the column indicate a statistically significant difference (Mann-Whitney U test, P<0.05)