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Demographic characteristics of two groups
| Demographic characteristics | Group I (n = 30) (%) | Group II (n = 30) (%) |
|---|---|---|
| Age (years) | ||
| Mean ± standard error of the mean (SE) | 10.10 ± 0.45 | 30.30 ± 1.78 |
| Sex | ||
| Male | 13 (43%) | 11 (36%) |
| Female | 17 (57%) | 19 (64%) |
| Teeth involved | ||
| Posterior (%) | 18 (60%) | 20 (67%) |
| Anterior (%) | 12 (40%) | 10 (33%) |
| Surface | ||
| Occlusal/incisal | 18 (60%) | 16 (53%) |
| Smooth surface | 12 (40%) | 14 (47%) |
