Researchers in New Zealand found that artificial hip liners made of highly-cross-linked polyethylene showed less wear 10 years after implantation than liners made of conventional ultra-high-molecular-weight polyethylene. Patients whose hip liners were made of highly cross-linked polyethylene also had a significantly lower prevalence of osteolysis and revision surgery, according to a report in Orthopedics Today. … Continue reading Certain polyethylene-lined hips may last longer than others