Research Article
Reliability of Pederson Scale in Surgical Extraction of Impacted Lower Third Molars: Proposal of New Scale
Table 9
Kharma scale * Parant scale crosstabulation.
| | | Parant scale |
Total | | | Extraction by forceps | Extraction requiring osteotomy | Extraction requiring osteotomy and
coronal section | Complex extraction |
| | Kharma scale | | | | | | | Easy | 12 | 9 | 0 | 0 | 21 | | Slightly difficult | 4 | 30 | 4 | 2 | 40 | | Moderately difficult | 0 | 10 | 14 | 0 | 24 | | Very difficult | 0 | 2 | 10 | 3 | 15 |
| | Total | 16 | 51 | 28 | 5 | 100 |
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