Table of Contents
Lubricants, Volume 7, Issue 4 (April 2019)
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Cover Story (view full-size image) In this study, we predicted the wear of tibial inserts made of UHMWPE (ultrahigh-molecular-weight [...] Read more. In this study, we predicted the wear of tibial inserts made of UHMWPE (ultrahigh-molecular-weight polyethylene), PEEK (polyetheretherketone), and CFR-PEEK (carbon fiber-reinforced polyetheretherketone) via finite-element (FE) analysis under a gait cycle. The volumetric wear and wear depth of CFR-PEEK decreased by 87.4% and 61.3%, respectively, compared with those of the UHMWPE, whereas PEEK exhibited increased volumetric wear and wear depth. These results suggest that CFR-PEEK is a good alternative to UHMWPE as suitable material for tibial inserts used in total knee arthroplasty (TKA). However, orthopedic research should be performed to evaluate the threshold conditions and appropriate applications for the newly developed biomaterial. View this paper.