| |
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
|
- Minimally difficult (DI = 3–4); moderately difficult (DI = 5–7); very difficult (DI = 8–10)
