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Distribution of types of developmental defects of enamel (DDE) in permanent teeth according to the number of affected teeth
| Group | Diffused opacity n (%) | Demarked opacity n (%) | Enamel hypoplasia n (%) | Total n (%) |
|---|---|---|---|---|
| Girls with DDE* | 24 (14.1) | 73 (42.9) | 73 (42.9) | 170 (100) |
| Boys with DDE | 19 (12.6) | 62 (41.1) | 70 (46.3) | 151 (100) |
*Developmental defects of enamel, Chi-square test, P=0.001
