Anatomical position | Score |
Angulation (inclination of longitudinal axis): |
|
Mesioangular | 1 |
Horizontal/transverse | 2 |
Impacted vertical | 3 |
Distoangular | 4 |
Depth of impaction (with respect to occlusal plane): |
|
Occlusal plane of impacted tooth at same level as occlusal plane of second molar | 1 |
Occlusal plane of impacted tooth between occlusal plane and cervical line of second molar | 2 |
Impacted tooth below cervical line of second molar | 3 |
Available space (with respect to ascending mandibular ramus): |
|
Sufficient space between ramus and distal part of second molar to accommodate mesiodistal diameter of third molar | 1 |
Space between second molar and ramus of mandible is less than mesiodistal diameter of third molar | 2 |
All or most of third molar is in ramus of mandible | 3 |