Table 2. Intergroup analysis on the comparison of caries-arresting potential and caries increment between the groups at various time intervals (Mann-Whitney U test).
SDF: Silver diamine fluoride
| Follow-up timelines | Groups | Caries intact n(%) | Caries increment n(%) | Mann-Whitney U-value | p-value |
| 3 months | SDF | 33 (100) | 0 (0) | 544.5 | 1.000 |
| Varnish | 33 (100) | 0 (0) | |||
| 6 months | SDF | 31 (93.9) | 2 (6.1) | 528 | 0.956 |
| Varnish | 32 (96.9) | 1 (2.9) | |||
| 9 months | SDF | 24 (72.7) | 9 (27.3) | 526.5 | 0.651 |
| Varnish | 25 (73.5) | 8 (26.5) | |||
| 12 months | SDF | 22 (66.7) | 11 (33.3) | 510.56 | 0.231 |
| Varnish | 24 (70.5) | 9 (29.4) |