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Basic Science
intermediate
X-Type

Orthopaedic Implant Materials

Biomaterials

A 55-year-old patient undergoing total hip arthroplasty asks about the materials that will be used in their implant. You explain the properties of different orthopaedic materials. Regarding orthopaedic implant materials:

Mark each as TRUE or FALSE

A

Titanium alloy (Ti-6Al-4V) has an elastic modulus of approximately 110 GPa, which is closer to corti...

B

Cobalt-chromium alloys have the highest hardness and wear resistance among common orthopaedic metals...

C

Highly cross-linked polyethylene (HXLPE) has higher wear rates than conventional UHMWPE; cross-linki...

D

PMMA bone cement is a grouting agent that functions by interdigitation with cancellous bone rather t...

E

Ceramic materials (alumina, zirconia-toughened alumina) have the lowest wear rates of any bearing su...

Answer the questions to see explanations

Click T (True) or F (False) for each option