Table 1 –
Summary data on sample characteristics.
| Children aged 8 to 10 | Teens aged 11 to 14 | |
|---|---|---|
| Total number of subjects | 56 | 82 |
| Female – n (%) | 34 (61) | 51 (62) |
| Age – mean ±SD | 9.4 ±0.9 | 13.2 ±1.2 |
| Race (White) – n (%) | 43 (77) | 67 (82) |
| others – n (%) | 13 (23) | 15 (18) |
| Bisphosphonate (Yes) – n (%) | 41 (73) | 59 (72) |
| OI Type | ||
| Type I – n (%) | 26 (46) | 39 (48) |
| Type III – n (%) | 16 (29) | 14 (17) |
| Type IV – n (%) | 11 (20) | 23 (28) |
| Others – n (%) | 3 (5) | 6 (7) |
| Family history of having OI (Yes) – n (%) | 27 (48) | 34 (41) |
| DI (Yes) – n (%) | 22 (39) | 25 (30) |
| Posterior Open-bite (Yes) – n (%) | 14 (25) | 25 (30) |
| Anterior Open-bite (Yes) – n (%) | 7 (12) | 6 (7) |
| Missing – n (%) | 10 (18) | 10 (12) |
| Posterior Crossbite (Yes) – n (%) | 20 (36) | 30 (37) |
| Anterior Crossbite (Yes) – n (%) | 21 (38) | 30 (37) |
| Angle’s Classification | ||
| Cl I – n (%) | 15 (27) | 30 (37) |
| Cl II – n (%) | 9 (16) | 13 (16) |
| Cl III – n (%) | 32 (57) | 37 (45) |
| Neglected – n (%) | 0 (0) | 2 (2) |
OI, Osteogenesis Imperfecta, DI, Dentinogenesis Imperfecta.