Factors | Element | ||
Al | Ca | ||
Total subjects (n) | 104 | 108 | |
Sex (n) | Male | 62 | 65 |
Female | 42 | 43 | |
Age (years) | Mean ± S.D. | 9.1 ± 2.0 | 9.1 ± 2.0 |
Range | 5-14 | 5-14 | |
Tooth types (n) | Incisors | 18 | 21 |
Canines | 17 | 18 | |
Molars | 69 | 69 | |
Tooth condition (n) | Sound | 38 | 41 |
Caries experience | 66 | 67 | |
Untreated | 23 | 21 | |
Treated | 43 | 46 |