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Polyethylene- Knee Replacement Plastic

Polyethylene is a commonly used material in joint replacement surgery, particularly in hip and knee replacements. It is a strong, durable material that has been used for decades to create artificial joints that closely mimic the natural movement and function of the joint.

Polyethylene is used in joint replacements as the bearing surface between the metal components of the joint. It is a low-friction material that allows the joint to move smoothly and with minimal wear and tear. Polyethylene is also biocompatible, meaning that it does not cause an adverse reaction in the body and can be safely used as an implant material.

One potential issue with polyethylene in joint replacement is wear and tear over time. As the joint moves, the polyethylene can gradually wear down, potentially causing damage to surrounding tissues and requiring revision surgery. To combat this, newer polyethylene materials have been developed with improved wear resistance, such as cross-linked polyethylene.

Overall, polyethylene has proven to be a reliable and effective material in joint replacement surgery. When used properly and with appropriate patient selection, it can provide patients with improved joint function and a better quality of life.

Author
Jeffrey Pearson

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