The rise of ceramic on polyethylene and appears in the january 9 2018 edition of the journal of arthroplasty.
Ceramic on polyethylene hip replacement.
Hip implant components are made of polyethylene plastic metal ceramic or a combination of the materials.
The journal of clinical and experimental research on hip pathology and.
A hip prosthesis is an artificial articulation composed of a femoral stem with a head sphere and a socket cup acetabular shell and liner if any.
Lieberman m d an orthopedic surgeon at keck was the senior author on the study.
The case for ceramic on polyethylene as the preferred bearing for a young adult hip replacement april 2014 hip international.
The advent of adverse local tissue reactions seen in metal on metal bearings and the recent recognition of trunnionosis have led many surgeons to recommend ceramic on polyethylene articulations for primary total hip arthroplasty.
A sub type of a polyethylene hip is made with a newer plastic called cross linked polyethylene which is more durable.
Although hip replacement is typically successful it is important to know that hip implants may need to be replaced eventually.
Total hip replacement surgery substitutes the damaged bone and cartilage of the joint with polyethylene a plastic material or ceramic and metallic components.
Patients understand the risks that metal joints and sockets bring to their long term health and are moving away from the material.
Huo et al 2 reported that total hip arthroplasty with this type of surface has a 10 year survival rate of 96 versus 91 in cases with a metal to polyethylene surface.
The ball is made of ceramic and the.
The study was titled total hip arthroplasty bearing surface trends in the united states from 2007 to 2014.
Many surgeons today consider them to be an improvement over traditional metal and plastic implants in which the deterioration of plastic can lead to the gradual buildup of debris.
However to our knowledge there has been little research that has considered whether the increased cost of ceramic provides enough benefit over cobalt.
Studies have suggested that the arthroplasty has longer survival when a ceramic to ceramic joint rather than a ceramic to polyethylene joint is used 9.
Ceramic hip implants are among the newer types of prostheses being used for hip replacement offering greater resistance to damage and smooth movement of the joint.