From: Effect of bone material properties on effective region in screw-bone model: an experimental and finite element study
Age
Density (g/cm 3)
ν
E (MPa)
σ y (MPa)
Reference
Age >75Â yr
0.06
0.2
60
0.615
Morgan et al. [20]
0.08
100
1.015
Age 50–75 yr
0.10
140
1.415
Hou et al. [21]
0.12
180
1.815
Age <50Â yr
0.14
220
2.215
0.16
260
2.615