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Polyethylene and Polyethylene Wear Wheeless (Visit this link)

originally Charnley used High Density Polyethylene and later this was changed to Ultrahigh Molecular Wt Polyethylene
- impact strength of UHMWPE is higher than that for HDPE and the density of UHMWPE is much lower than for HDPE;
- UHMWPE has better abrasion resistance, strength, resistance to deformation, and fatigue strength
Wheeless' Textbook of Orthopaedics

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Added: Mon Feb 04 2002
Last Modified: Tue Mar 11 2008

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