Table 2 Mean and standard deviation (SD) of surface roughness (Ra), and mean color change (ΔE*) values of ceramic materials before and after coffee immersion and thermocycling (ANOVA test between and within the groups)
Parameter | Mean ± SD | Ceramic Type | Vita Enamic | Vitablocs Mark II | Vita Suprinity | P value |
|---|---|---|---|---|---|---|
S Roughness Pre (Ra1) | 1.78 (0.55) | Vita Enamic | – | 0.436 | 1.000 | 0.111 |
1.55 (0.46) | Vitablocs Mark II | 0.436 | – | 0.126 | ||
1.86 (0.76) | Vita Suprinity | 1.000 | 0.126 | – | ||
S Roughness Post (Ra2) | 2.37 (0.41) | Vita Enamic | – | 0.267 | 1.000 | 0.077 |
2.11 (0.63) | Vitablocs Mark II | 0.267 | – | 0.095 | ||
2.44 (0.73) | Vita Suprinity | 1.000 | 0.095 | – | ||
Mean Roughness Changes (Ra) | 0.59 (0.40) | Vita Enamic | – | 1.000 | 1.000 | 0.940 |
0.56 (0.53) | Vitablocs Mark II | 1.000 | – | 1.000 | ||
0.58 (0.38) | Vita Suprinity | 1.000 | 1.000 | – | ||
Mean Color Changes (ΔE) | 3.07 (0.49)a | Vita Enamic | – | 0.002* | 0.000* | 0.000* |
2.65 (0.26)b | Vitablocs Mark II | 0.002* | – | 0.000* | ||
1.96 (0.64)c | Vita Suprinity | 0.000* | 0.000* | – |