Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Two-way repeated measures ANOVA results for values of ΔE00 related to different ceramic restoration and measures of different oral hygiene aids.
| Source | Type III sum of squares | Df | Mean square | F | P |
|---|---|---|---|---|---|
| Ceramic types | 51.576 | 2 | 25.788 | 6.249 | 0.001* |
| Oral aids types | 90.854 | 2 | 45.427 | 11.009 | 0.001* |
| Ceramic type X oral aids types | 57.472 | 4 | 14.368 | 3.482 | 0.03* |
| Errors | 334.22 | 81 | 4.126 |
Df – degrees of freedom.
Significant difference at P≤0.05.
