Table 5.
Sum of number of teeth with white spot lesions (WSLs) in each group within 3 periods of time.
| Time | Mouthwash | 13 | 12 | 11 | 21 | 22 | 23 | 33 | 32 | 31 | 41 | 42 | 43 | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30 days | Nanosilver | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 4 |
| Chlorhexidine | 2 | 3 | 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | |
| Fluoride | 1 | 4 | 2 | 3 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 15 | |
| Total | 3 | 8 | 5 | 6 | 3 | 0 | 0 | 2 | 0 | 1 | 0 | 2 | 30 | |
| 90 days | Nanosilver | 1 | 2 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 8 |
| Chlorhexidine | 4 | 4 | 5 | 5 | 3 | 2 | 1 | 0 | 3 | 3 | 2 | 1 | 33 | |
| Fluoride | 1 | 6 | 4 | 6 | 4 | 1 | 0 | 1 | 1 | 1 | 2 | 1 | 28 | |
| Total | 6 | 12 | 10 | 12 | 7 | 4 | 1 | 2 | 4 | 4 | 4 | 3 | 69 | |
| 180 days | Nanosilver | 2 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 16 |
| Chlorhexidine | 3 | 5 | 7 | 6 | 4 | 3 | 0 | 1 | 5 | 4 | 2 | 1 | 41 | |
| Fluoride | 1 | 8 | 4 | 7 | 6 | 2 | 1 | 2 | 1 | 3 | 4 | 2 | 41 | |
| Total | 6 | 16 | 13 | 15 | 11 | 6 | 2 | 4 | 7 | 8 | 6 | 4 | 98 |