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The results of fixation strengths and insertion torques for PLLA screws in different hole sizes
| Hole diameter (mm) | Fixation strength (N) | Insertion torque (N m) | ||||
|---|---|---|---|---|---|---|
| 7 | 180.24 | 160.57 | 302.39 | 1.8 | 1.8 | 1.9 |
| 8 | 334.28 | 301.29 | 431.66 | 1.6 | 1.5 | 1.9 |
| 9 | 405.67 | 351.21 | 506.86 | 1.1 | 1.0 | 1.0 |
| 10 | 387.95 | 342.34 | 397.59 | 0.7 | 0.8 | 0.9 |
p < 0.05, n = 3
