Table 1 The maximum insertion torque and maximum axial pull-out strength
Value | 4 holes | 6 holes | 8 holes | Straight pore | control | P |
|---|---|---|---|---|---|---|
maximum insertion torque | 0.11 ± 0.01 | 0.12 ± 0.01 | 0.11 ± 0.01 | 0.10 ± 0.01 | 0.06 ± 0.01 | < 0.01 |
maximum axial pull-out strength | 162.93 ± 29.73 | 174.86 ± 35.29 | 115.98 ± 14.41 | 171.83 ± 16.07 | 40.92 ± 6.73 | < 0.01 |