Table 2.
OM grading
N
Expected incidence of OM without measures
Incidence after the special mouthwash
0
0
0
32
I
0
0
26
II
45 (66.1%)
14
8 (11.7%)
II-III
23 (33.9%)
38
2 (2.9%)
III
0
16
0
Total grade >II
23
54
2