Open Access
Table II
Radiological and histological characteristics of different types of BFOL.
| Radiological and histopathological features | Classification of BFOL according to WHO 2005 | |||
|---|---|---|---|---|
|
|
||||
| Ossifying fibroma n = 60 |
Fibrous dysplasia n = 19 |
Osseous dysplasia n = 12 |
central giant cell granuloma n = 7 |
|
| Features of the image | ||||
| Radiolucent | 21.7% | – | – | 57.1% |
| Mixed-density | 6.7% | 15.8% | 8.3% | 14.3% |
| Radio-opaque | 71.6% | 84.2% | 91.7% | 28.6% |
| Root resorption | 33.3% | – | – | – |
| Root divergence | 16.7% | – | – | 100% |
| Displacement of teeth | 41.7% | – | – | 100% |
| Borders of the image | ||||
| Well defined | 66.7% | – | 41.7% | 57.1% |
| Ill defined | 33.3% | 100% | 58.3% | 42.9% |
| Histopathological features | ||||
| Thick curvilinear trabeculae | 98% | – | – | – |
| Separate bony trabeculae | 100% | 84.2% | – | – |
| Woven bone in fibrous stroma | 100% | 100% | – | 100% |
| Variable amount of lamella bone | 100% | 33.3% | – | – |
| Storiform pattern | 48.3% | 5.3% | – | – |
| Giant cells | 100% | 100% | – | 100% |
| Loose collagen | 100% | 100% | – | 85.7% |
| Dense collagen | – | – | – | 14.3% |
| Osteoblastic rimming | 66.7% | – | – | – |
| Bone trabeculae with large osteocytes within lacunae | 100% | 31.6% | – | – |
| Haemorrhage foci | 100% | 100% | – | 100% |
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