Table 3.
Combined effect of concentration and polymerization method on tested properties by using Two-way ANOVA.
| Tested properties | Source | Type III Sum of Squares | df | Mean Square | F | P |
|---|---|---|---|---|---|---|
| Flexural strength | concentration | 6530.688 | 3 | 2176.896 | 17.049 | <.0001∗ |
| Polymerization method | 236.925 | 1 | 236.925 | 1.856 | .179 | |
| concentration ∗ Polymerization method | 746.725 | 3 | 248.908 | 1.949 | .132 | |
| Error | 7150.479 | 56 | 127.687 | |||
| Total | 896528.785 | 64 | ||||
|
| ||||||
| Elastic modulus | concentration | 760043.856 | 3 | 253347.952 | 4.204 | .008∗ |
| Polymerization method | 23256.541 | 1 | 23256.541 | .386 | .536 | |
| concentration ∗ Polymerization method | 157330.440 | 3 | 52443.480 | .870 | .461 | |
| Error | 4339233.111 | 72 | 60267.127 | |||
| Total | 474277393.274 | 80 | ||||
|
| ||||||
| Impact strength | concentration | 3.582 | 3 | 1.194 | .648 | .587 |
| Polymerization method | .720 | 1 | .720 | .391 | .534 | |
| concentration ∗ Polymerization method | 11.751 | 3 | 3.917 | 2.126 | .104 | |
| Error | 132.676 | 72 | 1.843 | |||
| Total | 1142.567 | 80 | ||||
|
| ||||||
| Hardness | concentration | 37.816 | 3 | 12.605 | 2.133 | .104 |
| type | 61.075 | 1 | 61.075 | 10.334 | .002∗ | |
| Concentration ∗ Polymerization method | 66.191 | 3 | 22.064 | 3.733 | .015∗ | |
| Error | 425.541 | 72 | 5.910 | |||
| Total | 200021.030 | 80 | ||||