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| SC | SS | |
|---|---|---|
| Percentage of pin infections | 30% | 21% |
| Average direct clinical score | 7.4 | 7.6 |
| Average indirect clinical score from photographs | 7.4 | 7.4 |
| Average removal torque | 4.8 | 5.9 |
| Average size of pin track lucency | 85 mm2 | 64 mm2 |
