bone cement reinforcing - iums.ac.ir
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PART IV
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•1891-GLUCK T USED IVORY
•1940-MOORE PROSTHESIS
•1950-THOMPSON PROSTHESIS
•1962-CHRNLEY PROSTHESIS
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THR BHR CEMENTED UNCEMENTED PRIMARY REVISION TUMORAL RESURFACING HEMI-ARTHROPLASTY LARGE HEAD
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Cemented
•Approximately 10min
Cementless
•One year for good ingrowth
•Up to two years for 100% of
ingrowth bone (30% of the total
porous surface)
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90% polymethylmethacrylate (PMMA) 10% Barium Sulfate
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Particles from loose cement cause abrasive wear in the acetabular joint
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Vacuum mixing decreases voids in the bone cement which decreases stress concentrations within the hardened cement
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STEMS:CrCO, Ti, SS 316LVM + COATING: HA, Ti, HYBRID (TMT, SPRAY, etc) HEAD:CrCo, SS 316LVM, ALUMINA, ZIRCONIA CUP:CrCO, Ti INSERT:UHMWPE, XPE, XPEE, ALUMINA, ZIRCONIA
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TKR J-CURVE, C-CURVE CEMENTED UNCEMENTED PS CR MOBILE BEARING FIXED BEARING PRIMARY REVISION RESURFACING
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Thanks…