From: Biomechanical effect of metal augment and bone graft on cup stability for acetabular reconstruction of total hip arthroplasty in hip dysplasia: a finite element analysis
Components
Materials
Elastic modulus (MPa)
Poisson’s ratio
Iliac bone
Bone graft
Bone
5.452–17,756.30
150
0.3
Acetabular shell
Tantalum
8963
0.31
Metal augment
Screws
Titanium alloy
110,600
0.326
Liner
Femoral head
Ceramics
350,000
0.22