Table 1.
The descriptive statistics for the prevalence of tooth discoloration, pulp obliteration, and taurodontism in different Osteogenesis imperfecta types.
| OI Type | Min-Max | Median | Mean±SD | 95% CI | Total No. of teeth evaluated | % affected teeth |
|---|---|---|---|---|---|---|
| Tooth discoloration | ||||||
| Permanent Teeth | ||||||
| OI I | 0–28 | 0 | 1.46±5.2 | .27 – 2.65* | 1684 | 7 |
| OI III | 0–28 | 11 | 10.38±9.9 | 5.9 – 14.8 | 387 | 59 |
| OI IV | 0–28 | 0 | 6.82±9.8 | 4.19 – 9.46 | 1208 | 32 |
| Deciduous Teeth | ||||||
| OI I | 0–14 | 0 | .61±2.6 | 0.0 – 1.21* | 312 | 15 |
| OI III | 0–20 | 0 | 3.95±7.01 | −.05 – 4.52 | 96 | 49 |
| OI IV | 0–20 | 0 | 1.73±4.3 | .57 – 2.89 | 13 | 54 |
| Pulp Obliteration (PO) | ||||||
| Permanent teeth | ||||||
| OI I | 0–16 | 0 | .782±2.8 | .15–1.41* | 1095 | 6 |
| OI III | 0–16 | 0 | 2.95±4.7 | .81–5.09 | 265 | 23 |
| OI IV | 0–16 | 0 | 3.03±5.3 | 1.66–4.40 | 821 | 23 |
| Deciduous teeth | ||||||
| OI I | 0–8 | 0 | .231±1.2 | 0.0 – .52 | 208 | 9 |
| OI III | 0–8 | 0 | 1.0±2.1 | .06 – 1.93 | 55 | 40 |
| OI IV | 0–8 | 0 | .44±1.6 | 0.02 – .85 | 95 | 28 |
| Taurodontism | ||||||
| Permanent Teeth | ||||||
| OI I | 0–6 | 0 | .410±1.2 | .125–.695 | 664 | 5 |
| OI III | 0–2 | 0 | .364±.79 | .014–.714 | 184 | 4 |
| OI IV | 0–4 | 0 | .295±.88 | .069–.521 | 462 | 4 |
The Minimum(Min), Maximum(Max), Mean and standard deviation (SD), and the confidence interval (CI), were calculated based on the number of affected teeth/ patient.
a
The % of patients (Pt) having at least one affected tooth.
*
Indicates the significant different between OI type I and both OI type III and IV.