Biomaterials
A surgeon is performing a cemented total hip arthroplasty on a 72-year-old woman. During the procedure, the resident asks about the principles of cement fixation and factors affecting the cement-bone interface. The patient has good bone quality and the surgeon is using third-generation cementing techniques. Regarding the cement-bone interface:
Mark each as TRUE or FALSE
PMMA bone cement (polymethyl methacrylate) achieves fixation through mechanical interlock rather tha...
Modern (third-generation) cementing techniques include: pulsatile lavage to remove marrow fat and bl...
Cement bonds chemically to bone; deeper cement penetration is always better; hand mixing is preferre...
The exothermic polymerization reaction reaches 80-100°C which can cause thermal necrosis if excessiv...
Aseptic loosening of cemented components occurs through fatigue failure at the cement-bone interface...
Answer the questions to see explanations
Click T (True) or F (False) for each option