Table 3.
Comparison of mean push out bond strength among four groups by Tukey's post hoc test
| Multiple comparisons Dependent variable: Push-out bond strength (Tukey's HSD) | |||||||
|---|---|---|---|---|---|---|---|
| (I) Group | (J) Group | Mean difference (I-J) | SE | Significant (P) | 95% CI |
||
| Lower bound | Upper bound | ||||||
| Group I MTA | Group II MTA with titanium dioxide nanoparticle | −2.45200* | 0.43979 | <0.001* | −3.6165 | −1.2875 | |
| Group I MTA | Group III MTA with silver nanoparticles | −1.43400* | 0.43979 | 0.010 | −2.5985 | −0.2695 | |
| Group I MTA | Group IV MTA with silicon dioxide nanoparticles | 0.56333 | 0.43979 | 0.579 | −0.6012 | 1.7278 | |
| Group II MTA with titanium dioxide nanoparticle | Group III MTA with silver nanoparticles | 1.01800 | 0.43979 | 0.107 | −0.1465 | 2.1825 | |
| Group II MTA with titanium dioxide nanoparticle | Group IV MTA with silicon dioxide nanoparticles | 3.01533* | 0.43979 | <0.001* | 1.8508 | 4.1798 | |
| MTA with silver nanoparticles | MTA with silicon dioxide nanoparticles | 1.99733* | 0.43979 | <0.001* | 0.8328 | 3.1618 | |
*The mean difference is significant at the 0.05 level. MTA: Mineral trioxide aggregate, SE: Standard error, HSD: Honestly significant difference, SE: Standard error, CI: Confidence interval