Table 3 Mean and standard deviations of color coordinates before and after thermocycling and of color change (ΔE) value
Group | N | Color coordinates before thermocycling mean ± SD | Color coordinates after thermocycling mean ± SD | ΔE mean ± SD | ||||
|---|---|---|---|---|---|---|---|---|
L × I | a × I | b × I | L × F | a × F | b × F | |||
LiDi/LC | 10 | 54.58 ± 1.44 | − 1.16 ± 0.29 | 2.52 ± 1.58 | 58.01 ± 1.70 | − 0.78 ± 0.36 | 4.21 ± 1.50 | 3.99 ± 1.83 |
LiDi/DC | 10 | 56.78 ± 1.77 | − 1.16 ± 0.22 | 3.73 ± 1.26 | 59.98 ± 2.15 | − 0.65 ± 0.27 | 5.90 ± 1.68 | 3.67 ± 1.36 |
Zr/LC | 10 | 64.80 ± 1.87 | − 1.96 ± 0.17 | 3.74 ± 0.70 | 66.69 ± 2.86 | − 1.43 ± 0.30 | 4.18 ± 0.98 | 3.22 ± 1.18 |
Zr/DC | 10 | 63.96 ± 1.51 | − 2 ± 0.22 | 2.91 ± 1.05 | 65.73 ± 20 | − 1.61 ± 0.17 | 4.50 ± 1.18 | 3.49 ± 2.02 |
Total | 40 | 60.03 ± 4.75 | − 1.57 ± 0.47 | 3.22 ± 1.26 | 62.60 ± 4.30 | − 1.12 ± 0.49 | 4.70 ± 1.49 | 3.59 ± 1.60 |