Table 2.
Mean, standard error (SE) and p-values for maximum penetration depth, percentage of the penetration, area of the penetration of experimental groups for different root regions
| Variables | Root sections | Irrigation activation | Mean ± SE | p-value |
|---|---|---|---|---|
|
Maximum penetration depth (μm) |
Coronal | Control | 1092.3 ± 75.8 | 0.596 |
| SA | 934.6 ± 87.7 | |||
| UI | 944.5 ± 84.8 | |||
| XPR | 1097.7 ± 75.6 | |||
| Middle | Control | 832 ± 102 | 0.310 | |
| SA | 779.9 ± 80.7 | |||
| UI | 800 ± 100 | |||
| XPR | 1001.8 ± 90.4 | |||
| Apical | Control | 333.7 ± 69.7 | 0.666 | |
| SA | 319.8 ± 59.8 | |||
| UI | 435.4 ± 76.9 | |||
| XPR | 377.2 ± 58 | |||
|
Percentage of the penetration (%) |
Coronal | Control | 95.66 ± 2.97 | 0.11 |
| SA | 97.48 ± 2.52 | |||
| UI | 90.04 ± 9.05 | |||
| XPR | 98.33 ± 1.67 | |||
| Middle | Control | 74.10 ± 6.21a | 0.04 | |
| SA | 90.49 ± 5.26aa | |||
| UI | 94.66 ± 1.95b | |||
| XPR | 88.14 ± 3.74ab | |||
| Apical | Control | 57.1 ± 12.7 | 0.744 | |
| SA | 66.6 ± 13.4 | |||
| UI | 67.17 ± 7.47 | |||
| XPR | 48.48 ± 7.56 | |||
|
Area of the penetration (μm2) |
Coronal | Control | 9,241,573 ± 835,020 | 0.596 |
| SA | 7,779,318 ± 963,772 | |||
| UI | 8,244,414 ± 999,220 | |||
| XPR | 8,767,562 ± 704,961 | |||
| Middle | Control | 4,692,941 ± 811,729 | 0.226 | |
| SA | 4,857,883 ± 694,355 | |||
| UI | 5,729,646 ± 1,026,815 | |||
| XPR | 6,559,919 ± 717,202 | |||
| Apical | Control | 1,345,822 ± 338,281 | 0.646 | |
| SA | 1,362,494 ± 328,714 | |||
| UI | 2,574,752 ± 817,479 | |||
| XPR | 1,174,996 ± 287,736 |
Different letters show significant difference among irrigation activation techniques for each root section separately. (p < 0.05)