Table 2 Enamel microhardness mean indentation lengths [μm (±SE)] (mITT population, n = 62)
Time point | Treatment | Baseline [B] | After first demineralisation [E1] | After intraoral exposure [R] | After second demineralisation [E2] |
|---|---|---|---|---|---|
2 h | Test | 43.4 (0.1) | 59.7 (0.2) | 55.8 (0.3) | 64.8 (0.3) |
Reference | 43.4 (0.1) | 59.8 (0.1) | 56.5 (0.2) | 66.9 (0.3) | |
Placebo | 43.4 (0.1) | 60.0 (0.2) | 56.9 (0.2) | 71.0 (0.5) | |
4 h | Test | 43.3 (0.1) | 59.8 (0.2) | 54.9 (0.3) | 63.7 (0.3) |
Reference | 43.3 (0.1) | 59.8 (0.2) | 56.2 (0.2) | 65.5 (0.4) | |
Placebo | 43.4 (0.1) | 59.8 (0.2) | 56.1 (0.2) | 68.9 (0.5) |