30 June 2023 : Laboratory Research
Comparison of Composite Resin (Duo-Shade) Shade Guide with Vita Ceramic Shades Before and After Chemical and Autoclave Sterilization
Shekhar Gupta










DOI: 10.12659/MSM.940949
Med Sci Monit 2023; 29:e940949
Table 3 Comparative differences in magnitude (mean) of color value (ΔE) calculated from CIE color coordinates (L*, a* and b*) for duo-shade composite between Group C (Chemical Disinfectant) and Group A (Autoclave).
Cycles | Shade A1/B1 | Shade A2/B2 | Shade A3.5/B3 | Shade C2/C3 | Shade A4/C4 | Shade A3/D3 | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Days | Gp A | Gp C | Gp A | Gp C | Gp A | Gp C | Gp A | Gp C | Gp A | Gp C | Gp A | Gp C |
1 | 0.47 | 0.79* | 0.55* | 0.66* | 1.11* | 0.97* | 1.84** | 0.23 | 0.39* | 0.39 | 1.35* | 1.35* |
2 | 0.48 | 0.80* | 0.55* | 0.66* | 1.11* | 0.97* | 2.53** | 0.23 | 0.39* | 0.39 | 1.35* | 1.35* |
3 | 0.46 | 0.78* | 0.57* | 0.66* | 1.15* | 0.97* | 3.33*** | 0.23 | 0.37* | 0.33 | 1.59** | 1.62** |
4 | 0.70* | 0.77* | 0.56* | 0.60* | 1.29* | 0.95* | 3.82*** | 0.23 | 0.70* | 0.70* | 1.60** | 1.65** |
5 | 1.27* | 0.83* | 1.24* | 0.64* | 1.26* | 0.98* | 4.33*** | 0.38 | 1.36* | 1.34* | 1.60** | 1.73** |
6 | 1.27* | 0.78* | 1.38* | 0.63* | 1.52** | 0.90* | 4.62*** | 0.39 | 1.71** | 1.32* | 1.58** | 1.99** |
7 | 1.36* | 0.78* | 1.34* | 0.69* | 1.29* | 0.95* | 4.59*** | 0.39 | 1.70** | 1.29* | 1.60** | 2.01** |
8 | 1.37* | 0.77* | 1.82** | 0.77* | 1.26* | 1.08* | 4.33*** | 0.49 | 1.56* | 1.21* | 1.60** | 2.37** |
9 | 1.37* | 0.79* | 1.81** | 0.74* | 1.52** | 1.21* | 4.62*** | 0.54* | 1.71** | 1.06* | 2.18** | 2.25** |
10 | 1.70** | 0.82* | 1.83** | 0.83* | 1.65** | 1.24* | 4.63*** | 0.53* | 1.56* | 0.95* | 2.60** | 2.32** |
11 | 1.78** | 0.80* | 1.82** | 0.83* | 1.52** | 1.27* | 4.62*** | 0.65* | 1.71** | 0.87* | 2.48** | 2.56** |
12 | 3.49*** | 0.83* | 1.86** | 0.83* | 2.17** | 1.33* | 4.47*** | 0.72* | 2.12** | 0.89* | 2.99** | 2.79** |
13 | 3.67*** | 0.80* | 1.96** | 0.89* | 2.20** | 1.34* | 4.61*** | 0.73* | 2.44** | 0.92* | 3.24*** | 3.02*** |
14 | 3.49*** | 0.81* | 1.86** | 0.89* | 2.17** | 1.40* | 4.47*** | 0.79* | 2.12** | 0.91* | 2.99** | 3.12*** |
15 | 3.69*** | 0.81* | 1.96** | 0.90* | 2.19** | 1.33* | 4.61*** | 0.82* | 2.44** | 0.97* | 3.24*** | 3.12*** |