Table 3.
The mean and standard deviation of microhardness in the different groups by step
| Step | Group | n | Mean | SD | Minimum | Maximum | Test result |
|---|---|---|---|---|---|---|---|
| One | CPP-ACP | 24 | 333.87 | 75.39 | 193.3 | 486.0 | F=0.135 |
| Remin Pro | 24 | 339.76 | 85.50 | 162.8 | 438.0 | P=0.939 | |
| Fluoride | 24 | 340.04 | 54.30 | 241.3 | 443.0 | ||
| Control | 24 | 329.37 | 51.42 | 227.6 | 446.0 | ||
| Two | CPP-ACP | 24 | 276.63 | 67.12 | 143.3 | 372.0 | F=0.127 |
| Remin Pro | 24 | 276.63 | 67.12 | 143.3 | 372.0 | P=0.944 | |
| Fluoride | 24 | 280.75 | 58.43 | 190.0 | 423.6 | ||
| Control | 24 | 270.68 | 34.71 | 200.3 | 360.3 | ||
| Three | CPP-ACP | 24 | 379.43a | 60.29 | 264.6 | 471.6 | F=20.84 |
| Remin Pro | 24 | 354.32a | 100.12 | 171.3 | 539.3 | P<0.001 | |
| Fluoride | 24 | 340.95a | 60.73 | 261.0 | 477.0 | ||
| Control | 24 | 232.87b | 43.91 | 144.3 | 335.0 |
*In step three, different characters indicate significant differences between the substance types. SD: Standard deviation; CPP-ACP: Casein phosphopeptide-amorphous calcium phosphate