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| Study groups | P-Value | Caries | ||
| Score 0 (No caries) | Score 1 (Caries in enamel) | Score 2 (Caries in dentin) | ||
| First group (IER) | (P>0.05) | 99.7% (1077) | 0.3% (3) | 0% (0) |
| Second group (IER+ Fluoride) | 100% (1080) | 0% (0) | 0% (0) | |
| Third group (control) | 100% (1080) | 0% (0) | 0% (0) | |
