Table 2.
Comparison of the mean & standard deviation (SD) of removed dentin amount between the different study groups on the distal side at cervical, middle, and apical levels
| Root canal level | Manual K-file (Group I) |
Kedo-S square (Group II) |
Fanta AF™ Baby (Group III) |
Kruskal-Wallis test | p-value | p1-value | p2-value | p3-value | |
|---|---|---|---|---|---|---|---|---|---|
| Cervical third | Range | 0.10–0.27 | 0.01–0.14 | 0.14–0.40 | 49.211 | < 0.001* | < 0.001* | 0.977 | < 0.001* |
| Mean ± SD | 0.190 ± 0.04 | 0.069 ± 0.03 | 0.208 ± 0.08 | ||||||
| Median | 0.19 | 0.07 | 0.18 | ||||||
| Middle third | Range | 0.06–0.22 | 0.01–0.12 | 0.03–0.27 | 21.26 | 0.345 | < 0.001* | < 0.001* | 0.208 |
| Mean ± SD | 0.144 ± 0.04 | 0.056 ± 0.03 | 0.078 ± 0.05 | ||||||
| Median | 0.14 | 0.06 | 0.06 | ||||||
| Apical third | Range | 0.03–0.16 | 0.01–0.12 | 0.04–0.35 | 17.224 | < 0.001* | 0.003* | 0.418 | < 0.001* |
| Mean ± SD | 0.088 ± 0.03 | 0.057 ± 0.03 | 0.106 ± 0.06 | ||||||
| Median | 0.08 | 0.06 | 0.09 | ||||||
SD: Standard Deviation
*Statistically significant difference at p-value < 0.05
P1-value: pairwise comparison between group I and group II
P2-value: pairwise comparison between group I and group III
P3-value: pairwise comparison between group II and group III