Table 4 Classification of mandibular third molar based on the Pell and Gregory and the Winter’s criteria
Classification | Number | % |
|---|---|---|
Inclination of the longitudinal axis of the molar | ||
Distoangular | 8 | 30.8 |
Horizontal | 8 | 30.8 |
Mesioangular | 5 | 19.2 |
Vertical | 3 | 11.5 |
Inverted | 1 | 3.8 |
Linguoangular | 1 | 3.8 |
Buccoangular | 0 | 0 |
Depth (with respect to occlusal plane) | ||
Position A | 7 | 26.9 |
Position B | 18 | 69.2 |
Position C | 1 | 3.8 |
Available space (with respect to ascending mandibular ramus) | ||
Class I | 6 | 23.1 |
Class II | 16 | 61.5 |
Class III | 4 | 15.4 |
IA | 1 | 3.8 |
IIA | 6 | 23.1 |
IIIA | 0 | 0 |
IB | 5 | 19.2 |
IIB | 9 | 34.6 |
IIIB | 4 | 15.4 |
IC | 0 | 0 |
IIC | 1 | 3.8 |
IIIC | 0 | 0 |