SDF (Group A) | SDF + KI (Group B) | SDF + CMP (Group C) | SDF + GI (Group D) | |
---|---|---|---|---|
Color difference between baseline reading and directly after application of the tested materials (T 0,1) | ||||
ΔL | − 16 (7) a | 11.7 (6) b | 28.1 (9.4) c | 22.3 (7.1) c |
Δa | − 1 (1.1) a | − 3.9 (1.6) b | − 4.2 (1.4) b | − 0.9 (1.4) a |
Δb | − 5.5 (2.8) a | 5.6 (2.9) b | − 2.8 (2.2) c | 2.4 (1) d |
Color difference between directly after the application of the tested materials and after Suntest aging (T 1,2) | ||||
ΔL | − 5.6 (2.1) a | − 13 (6) b | − 20.7 (5.7) c | − 27 (6.6) d |
Δa | − 1.6 (1) a | − 0.02 (1.2) b | 2.3 (0.7) c | − 0.5 (0.9) a, b |
Δb | − 3.3 (2.1) a | − 8.1 (3.8) b | 7.7 (4.4) c | − 4.8 (1.7) a, b |