Table 3.
Multiple comparisons of color difference (ΔE00) between different groups (mean difference, significance, and 95% confidence interval).
| Homogenous subsets for ΔE00 (zirconia/total assembly) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Cement type PO | Cement type PC | ||||||||
| Surface conditioning | n | Subset | Surface conditioning | n | S u b s e t | ||||
| 1 | 2 | 1 | 2 | 3 | 4 | ||||
| PEA | 24 | 5.5 | — | PA | 24 | 5.7 | — | — | — |
| S | 24 | 5.9 | 5.9 | PEA | 24 | — | 8.6 | — | — |
| PA | 24 | — | 6.1 | SA | 24 | — | — | 9.9 | — |
| SA | 24 | — | 6.2 | S | 24 | — | — | — | 10.4 |
Abbreviations: PA, polishing and anodization; PEA, polishing, etching, and anodization; S, sandblasting; SA, sandblasting and anodization.