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Criteria of image diagnosis (grading)
| Osteolysis and osteosclerosis (DPR/CT) |
| 0: not observed |
| 1: located in alveolar bone |
| 2: extended into mandibular canal (mandible)/maxillary sinus (maxilla) |
| Sequester, periosteal reaction and pathological fracture (DPR/CT) |
| 0: not observed |
| 1: observed |
| Spread into soft tissue (CT) |
| 0: not observed |
| 1: spread into alveolar (buccolingual) |
| 2: spread into masticator muscles or subcutaneous adipose tissue or maxillary sinus |
DPR, dental panoramic radiograph.
