Implant Materials
A 62-year-old man requires revision total hip arthroplasty for aseptic loosening. Preoperative imaging shows significant acetabular bone loss with cavitary defects. The surgeon plans to use a trabecular metal acetabular revision component due to its excellent bone ingrowth properties. The registrar asks about the material science behind trabecular metal. Regarding trabecular metal in arthroplasty:
Mark each as TRUE or FALSE
Trabecular metal is a porous tantalum biomaterial with a structure that mimics cancellous bone; it h...
Tantalum is highly biocompatible, corrosion-resistant, and has an elastic modulus (approximately 3 G...
Trabecular metal is made of stainless steel; it has minimal porosity; bone ingrowth is limited to th...
Clinical applications include revision acetabular components, augments for bone defects, tibial cone...
Advantages of trabecular metal include excellent bone ingrowth potential, high initial stability (fr...
Answer the questions to see explanations
Click T (True) or F (False) for each option