Table 3: Number and percentage of lesions according to ICDAS II criteria.
| Groups | ICDAS II Codes | Baseline | 6 month | 12 month |
| Control (FL-gel) | 0 | - | 0 | 0 |
| 1 | 12 (23.0) | 17 (32.6) | 16 (30.7) | |
| 2 | 32 (61.5) | 31 (59.6) | 33 (63.4) | |
| 3 | 10 (19.2) | 6 (11.5) | 5 (9.6) | |
| FL-V | 0 | - | 3 (5.0) | 4 (6.7) |
| 1 | 16 (27.1) | 24 (40.6) | 22 (37.2) | |
| 2 | 35 (59.3) | 28 (47.4) | 27 (45.7) | |
| 3 | 8 (13.5) | 4 (6.7) | 6 (10.1) | |
| CHX-V | 0 | - | 2 (3.7) | 3 (5.5) |
| 1 | 14 (25.9) | 23 (42.5) | 26 (48.1) | |
| 2 | 37 (68.5) | 29 (53.7) | 23 (42.5) | |
| 3 | 3 (5.5) | 0 | 2 (3.7) | |
| CPP-ACP | 0 | - | 5 (9.8) | 4 (7.8) |
| 1 | 10 (19.6) | 14 (27.4) | 16 (31.3) | |
| 2 | 34 (66.6) | 30 (58.8) | 29 (56.8) | |
| 3 | 7 (13.7) | 2 (3.9) | 2 (3.9) |