Table 1 The mean shear bond strength for the studied groups and the one-way ANOVA test results.
Groups | N | Mean | Std. Deviation | Std. Error | 95% Confidence Interval for Mean | Min | Max | Sum of Squares | Df | Mean Square | F | Sig | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lower Bound | Upper Bound | ||||||||||||
PMMA | 20 | 6.54 | 4.30 | .96 | 4.52 | 8.55 | .73 | 12.73 | 553.12 | 4 | 138.28 | 11.365 | .000* |
PMMA + MMA | 20 | 13.62 | 1.760 | .39 | 12.80 | 14.44 | 10.17 | 16.80 | |||||
PMMA + SB | 20 | 8.22 | 3.02 | .67 | 6.81 | 9.63 | 3.23 | 13.54 | |||||
PMMA + Grooves | 20 | 9.52 | 4.30 | .96 | 7.50 | 11.53 | 2.71 | 17.19 | |||||
Control | 20 | 10.06 | 3.40 | .76 | 8.47 | 11.66 | 3.79 | 14.71 | |||||