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Conditions for clinical application of each type
| Osteotomy conditions | Crowe I | Crowe II | Crowe III | Crowe IV |
|---|---|---|---|---|
|
“point-to-face” < 25° |
✓ | ✓ | ✓ | ✓ |
|
“face-to-face” < 10° |
✓ | ✓ | ✓ | ✓ |
|
“face-to-face” 10° ~ 20° |
Decision making based on the specific dislocation height of the child | ✓ | ✓ | ✓ |
|
“face-to-face” > 20° |
× | Decision making based on the specific dislocation height of the child | ✓ | ✓ |
