Table 4.
The void volume of the root canal filling materials in nano-CT images at different root regions (apical, middle and coronal thirds)
| Region | Root canal filling materials | n | Mean(mm3) | SD | p value | Pairwise comparisions |
|---|---|---|---|---|---|---|
| Apical third | Total BC Sealer (1) | 3 | 0.414 | 0.276 | p < 0.05 | 1–3 2–3 |
| Middle third | Total BC Sealer (1) | 3 | 0.480 | 0.290 | p < 0.05 | 1–3 2–3 |
| Sure Seal Root (2) | 3 | 0.481 | 0.290 | |||
| AH Plus (3) | 3 | 0.703 | 0.401 | |||
| Coronal third | Total BC Sealer (1) | 3 | 0.918 | 0.480 | p < 0.05 | 1–3 2–3 |
| Sure Seal Root (2) | 3 | 0.910 | 0.470 | |||
| AH Plus (3) | 3 | 1.602 | 0.922 | |||
| Overall total | 9 | 0.735 | 0.422 |