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| Study groups | Baseline microhardness | Post-intervention microhardness | Change in microhardness | Relative change |
| Control | 300.82 (85.25) | 57.08 (58.93) | 243.73 (85.47) | 0.81 (0.15) |
| 0.05% NaF | 282.14 (92.05) | 194.54 (74.41) | 87.6 (91.55) | 0.24 (0.31) |
| MI Paste Plus | 276.50 (54.88) | 86.25 (39.05) | 190.25 (69.04) | 0.67 (0.14) |
| Remin Pro | 314.0 (59.41) | 148.05 (84.19) | 165.95 (81.14) | 0.53 (0.26) |
