Table 2.
Baseline characteristics of the patients (n = 92).
| Variables | n% | ||
|---|---|---|---|
| Skeletal base class | Skeletal Class I | 46 (50%) | |
| Skeletal Class II | 40 (43.5%) | ||
| Skeletal Class III | 6 (6.5%) | ||
| Location of impaction | Palatal | 58 (63%) | |
| Buccal | 30 (32.6%) | ||
| Line of Arch | 4 (4.3%) | ||
| Type of impaction | Unilateral | 74 (80.4%) | |
| Bilateral | 18 (19.6%) | ||
| Side of impaction | Left | 64 (69.6%) | |
| Right | 10 (10.9%) | ||
| Inter-molar width (mm) | 32.2 ± 1.9 | 49.8 ± 4.3 | 42.5 ± 3.4 |
Abbreviations: ANB, angle between points A and B; SD, standard deviation; n, frequency; %, percentage.