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Clinical evaluation of new ceramic-ceramic hip prostheses
The use of hip prosthesis with ceramic-on-ceramic alumina bearing couple started in the 1970s with Pierre Boutin, and as soon as 1976 at the Lariboisière Hospital. Bearings made of ceramics have been shown to possess extremely low wear rates, an advantage over polyethylene (PE) bearings, for which microscopic particulate debris resulting from wear has been shown to lead to periprosthetic inflammation, osteolysis, and implant loosening.
As the mechanical properties of ceramics improved over the last 30 years, the risk of implant fracture reduced drastically. Based on its mechanical and biological qualities, the ceramic-on-ceramic bearing couple became the material of choice for hip prosthesis for the young and active patient. However, several aspects remain unknown such as the risk of “noise” occurrence, the very long durability of these prostheses, or their efficacy in teenagers and the B2OA and the Lariboisière Hospital pursue their research on ceramic-on-ceramic prostheses.
Ceramic-on-ceramic alumina bearing couple for hip prosthesis
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