tantalum
A 58-year-old woman undergoes revision total hip arthroplasty for aseptic loosening with a Paprosky IIIA acetabular defect. The revision surgeon selects a tantalum trabecular metal acetabular component for reconstruction. **What is the approximate porosity of trabecular metal that facilitates bone ingrowth?**
Mark each as TRUE or FALSE
20-30%
40-50%
60-70%
75-85%
90-95%
Answer the questions to see explanations
Click T (True) or F (False) for each option