Table 1.
Radiographic grading system [23]
| Grading items | Score |
|---|---|
| Periosteal reactiona | |
| None | 0 |
| Minimal (localized to the gap) | 1 |
| Medium (extends over the gap; < 1/4) | 2 |
| Moderate (< 1/2 but > 3/4) | 3 |
| Full | 4 |
| Osteotomy sitea | |
| Osteotomy line completely radiolucent | 0 |
| Osteotomy line partially radiolucent | 2 |
| Osteotomy line invisible | 4 |
| Remodelinga | |
| None apparent | 0 |
| Intramedullary space | 1 |
| Intracortical | 2 |
| Graft appearancea | |
| Unchanged/intact | 0 |
| Mild resorption | 1 |
| Moderate replacement | 2 |
| Mostly replaced | 3 |
| Fully reorganized | 4 |
aProximal, distal, and central part of graft scored individually