Bearing Surfaces
A 52-year-old active male is undergoing primary total hip arthroplasty for osteoarthritis. The surgeon is discussing bearing surface options with the patient. Given his age and activity level, ceramic-on-ceramic articulation is being considered. The patient asks about the advantages, disadvantages, and potential complications of ceramic bearings. Regarding ceramic bearings in hip arthroplasty:
Mark each as TRUE or FALSE
Ceramic materials used in THA include alumina (aluminum oxide), zirconia (zirconium oxide), and alum...
Advantages of ceramic bearings include: lowest wear rate, excellent biocompatibility (no metal ion r...
Ceramic has the highest wear rate of all bearings; it releases significant metal ions; modern cerami...
Disadvantages include: audible squeaking (reported in 1-10% of ceramic-on-ceramic), risk of catastro...
If ceramic fracture occurs, revision is complex: all ceramic fragments must be removed (including fr...
Answer the questions to see explanations
Click T (True) or F (False) for each option