Table 2 The characteristics of the third molars
the eruption degree of the third molars | unerupted | 1/3 erupted | 2/3 erupted | fully erupted | Â |
|---|---|---|---|---|---|
maxilla (n = 23) | 1 | 4 | 4 | 14 |  |
mandible (n = 23) | 7 | 12 | 1 | 3 |  |
cortical bone surfaces removal number during the surgery* | 0 | 1 | 2 | 3 | 4 |
maxilla (n = 23) | 21 | 2 | 0 | 0 | 0 |
mandible (n = 23) | 5 | 1 | 9 | 6 | 2 |