| Source | df | SS | MS | F value | p value |
| Incisal edge | |||||
| Molding interval (A) | 1 | 0.051 | 0.051 | 302.222 | <0.001** |
| Repeat number (B) | 2 | 0.373 | 0.186 | 1095.801 | <0.001** |
| A*B | 2 | 0.044 | 0.022 | 128.938 | <0.001** |
| Error | 30 | 0.005 | 0 | ||
| Labial surface | |||||
| Molding interval (A) | 1 | 0.026 | 0.026 | 50.526 | <0.001** |
| Repeat number (B) | 2 | 0.506 | 0.253 | 499.364 | <0.001** |
| A*B | 2 | 0.014 | 0.007 | 14.276 | <0.001** |
| Error | 30 | 0.015 | 0.001 | ||
| Cusp | |||||
| Molding interval (A) | 1 | 0.059 | 0.059 | 60.695 | <0.001** |
| Repeat number (B) | 2 | 0.559 | 0.279 | 286.344 | <0.001** |
| A*B | 2 | 0.088 | 0.044 | 44.909 | <0.001** |
| Error | 30 | 0.029 | 0.001 | ||
| Buccal surface | |||||
| Molding interval (A) | 1 | 0.258 | 0.258 | 406.934 | <0.001 |
| Repeat number (B) | 2 | 0.689 | 0.344 | 542.297 | <0.001 |
| A*B | 2 | 0.159 | 0.08 | 125.437 | <0.001 |
| Error | 30 | 0.019 | 0.001 |