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Comparison of Different Press‐Fit Peg Types and the Optimum Level of Interference for Maximizing Pull‐Out Load
| Peg | Tapered | Pull‐out Maximum ± S.D. (N) | Radial Interference at Maximum (mm) | Force Ratio (Out/In) at Maximum |
|---|---|---|---|---|
| Solid | Yes | 140 ± 4 | 0.8 | 0.17 |
| No | 77 ± 5 | 0.6 | 0.20 | |
| High Modulus Porous | Yes | 97 ± 6 | 0.8 | 0.15 |
| No | 65 ± 5 | 0.8 | 0.15 | |
| Low Modulus Porous | Yes | 102 ± 10 | 0.8 | 0.17 |
| No | 70 ± 2 | 0.8 | 0.17 | |
| Barbed Fixation (Baseline) | No | 433 ± 25 | 0.5 | 4.69 |
