Table 1.
Adjusted correlations for the mean stiffness () with maximum push-out force (Fmax) and with bulk morphological descriptors of the unstrained bone–implant domain. Significant correlations are marked with a star.
Material | Time | N | [102 N/mm] | Fmax | BV/TV | BIC | ABIC | Vscrew,ext | BA/BVa | κnorm,pos |
---|---|---|---|---|---|---|---|---|---|---|
Titanium | any | 17 | 5.3 | 0.68* | 0.48 | −0.21 | 0.30 | −0.48 | −0.09 | 0.29 |
PEEK | any | 9 | 3.1 | 0.93* | 0.75* | 0.40 | 0.33 | 0.32 | −0.66 | −0.77* |
Mg-10Gd | any | 9 | 3.8 | 0.98* | 0.21 | 0.65 | 0.57 | −0.72* | −0.90* | −0.58 |
any | 4 weeks | 11 | 3.5 | 0.94* | 0.29 | 0.68* | 0.66* | 0.34 | −0.46 | −0.36 |
any | 8 weeks | 11 | 4.2 | 0.96* | −0.20 | 0.30 | 0.56 | −0.53 | −0.43 | −0.02 |
any | 12 weeks | 15 | 4.8 | 0.67* | −0.16 | 0.63* | 0.57* | −0.18 | −0.30 | −0.03 |
Titanium | 4 weeks | 6 | 4.7 | 0.75 | −0.44 | 0.06 | 0.21 | −0.17 | 0.58 | 0.56 |
Titanium | 8 weeks | 5 | 5.2 | 1.00* | −0.82 | −0.79 | 0.18 | −0.95* | 0.12 | 0.34 |
Titanium | 12 weeks | 6 | 6.1 | 0.51 | −0.96* | 0.18 | 0.20 | −0.22 | 0.19 | 0.91* |
PEEK | 12 weeks | 5 | 3.6 | 0.95* | 0.85 | 0.19 | 0.03 | 0.38 | −0.81 | −0.97* |
Mg-10Gd | 12 weeks | 4 | 4.9 | 1.00* | 0.01 | 0.95 | 0.93 | −0.89 | −0.92 | 0.61 |
any | any | 36 | 4.3 | 0.79* | 0.13 | 0.48* | 0.57* | −0.27 | −0.50* | −0.27 |
* significant at p < 0.05.
Interfaces to the screw and to narrow vessels were excluded from the evaluation of the surface area.