Table 2.
Results, 6 wk post debonding (TD1), according to study group and for the total group
| Variable | Fluoride | Placebo | All | |||
|---|---|---|---|---|---|---|
| n | TD1 | n | TD1 | n | TD1 | |
| WSL | ||||||
| Number | 36 | 0 (5)* | 45 | 0 (15)* | 81 | 0 (15) |
| Mean ΔF (%) | 11 | 11.6 ± 5.0 | 21 | 10.3 ± 3.0 | 32 | 10.7 ± 3.8 |
| Mean A (mm2) | 11 | 0.9 ± 0.6 | 21 | 1.3 ± 1.6 | 32 | 1.15 ± 1.4 |
| DMFS | 36 | 0 (26) | 45 | 1 (13) | 81 | 1 (26) |
| ICDAS | 36 | 0.05 (0.6) | 45 | 0.05 (1.7) | 81 | 0.05 (1.7) |
Data are expressed as median (maximum), or as mean ± SD.
ΔF, fluorescence loss; A, size of lesion area; DMFS, decayed, missing, and filled surfaces; ICDAS, International Caries Detection and Assessment System; WSL, white spot lesions.
*Significant difference (P < 0.05) between fluoride and placebo groups.