Agent
Irradiation
Initial
Stained
Final
Whiteness HP
Group 1
11.8 ± 1.4
22.6 ± 3.7
16.6 ± 3.1
Group 2
11.9 ± 2.3
25.3 ± 4.9
18.8 ± 4.3
Group 3
12.1 ± 1.5
19.9 ± 5.4
19.6 ± 1.1
Group 4
12.7 ± 1.1
23.1 ± 3.3
20.4 ± 1.8
Table 2:
Mean Values and Standard Deviation of
C*
.
