Acetabular Bone Defect in Total Hip Arthroplasty for Crowe II or III Developmental Dysplasia of the Hip: A Finite Element Study

Table 1

Mechanical properties of materials used in FEA mode.

Components	Materials	Elastic modulus (MPa)	Poisson’s ratio
Cortical bone	Cortical bone	17300	0.265
Cancellous bone	Cancellous bone	400	0.2
Screws; Acetabular component; Femoral prosthesis	Titanium alloy	110600	0.326
Ceramic liner; Femoral ceramic head	Ceramics	350000	0.22