Table 3.
An overview of the incidence rate of voids, root filling rate and the void fraction (internal, external and combined) in the whole root canal filling materials in nano-CT images
| Root canal filling materials | n | Mean (%) | SD | Kruskall–Wallis H Test | ||
|---|---|---|---|---|---|---|
| p value | Pairwise comparisons | |||||
| Incidence rate of voids | Total BC Sealer (1) | 3 | 65.2 | 36.1 | p < 0.04 | 1–3 2–3 |
| Sure Seal Root (2) | 3 | 67.6 | 37.9 | |||
| AH Plus(3) | 3 | 78.3 | 44.2 | |||
| Total | 9 | 70.3 | 39.4 | |||
| Root filling rate | Total BC Sealer (1) | 3 | 98.114 | 1.402 | p < 0.05 | 1–3 2–3 |
| Sure Seal Root (2) | 3 | 98.105 | 1.400 | |||
| AH Plus(3) | 3 | 96.550 | 1.180 | |||
| Total | 9 | 97.589 | 1.327 | |||
| Internal voids | Total BC Sealer (1) | 3 | 0.588 | 0.282 | p < 0.05 | 1–3 2–3 |
| Sure Seal Root (2) | 3 | 0.604 | 0.296 | |||
| AH Plus(3) | 3 | 1.253 | 0.522 | |||
| Total | 9 | 0.815 | 0.366 | |||
| External voids | Total BC Sealer (1) | 3 | 0.840 | 0.590 | p < 0.05 | 1–3 2–3 |
| Sure Seal Root (2) | 3 | 0.820 | 0.580 | |||
| AH Plus(3) | 3 | 1.380 | 0.772 | |||
| Total | 9 | 1.013 | 0.647 | |||
| Combined voids | Total BC Sealer (1) | 3 | 0.458 | 0.132 | p < 0.05 | 1–3 2–3 |
| Sure Seal Root (2) | 3 | 0.471 | 0.180 | |||
| AH Plus(3) | 3 | 0.817 | 0.296 | |||
| Total | 9 | 0.582 | 0.452 |