Table 2 Descriptive data for the number of third molars using Pell and Gregory Classification
Number | Percent | |
|---|---|---|
(a) Classification of third molars in relation to the ramus of the mandible | ||
Class I | 0 | 0 |
Class II | 23 | 67.6 |
Class III | 11 | 32.4 |
Total | 34 | 100.0 |
(b) Classification of third molars in relation to the relative depth with respect to adjacent M2 occlusal plane | ||
Position A | 5 | 14.7 |
Position B | 14 | 41.2 |
Position C | 15 | 44.1 |
Total | 34 | 100.0 |
(c) Classification of third molars in relation to Pederson’s difficulty index (DI) | ||
DI | ||
Minimally difficult | 0 | 0 |
Moderately difficult | 26 | 76.5 |
Very difficult | 8 | 23.5 |
Total | 34 | 100.0 |