What is Knee Replacement -Knee Replacement Surgery

Knee replacement surgery is the most common joint replacement procedure. Many people have knee arthritis, but it can be difficult to know when the right time to have a knee replacement surgery is. Furthermore, there is confusion about what to expect from knee replacement surgery.
Total knee replacement (TKR), also referred to as total knee arthroplasty (TKA), is a surgical procedure where worn, diseased, or damaged surfaces of a knee joint are removed and replaced with artificial surfaces. Materials used for resurfacing of the joint are not only strong and durable but also optimal for joint function as they produce as little friction as possible.
The “artificial joint or prosthesis” generally has two components, one made of metal which is usually cobalt -chrome or titanium. The other component is a plastic material called polyethylene.
The first artificial knees were little more than crude hinges. Today you and your doctor can choose from a wide variety of designs that take into account your age, weight, activity level and overall health. Most knee replacement joints attempt to replicate your knee’s natural ability to roll and glide as it bends.
Knee replacement is a routine operation for knee pain when the knee joint has been severely damaged, most commonly by arthritis. It’s as effective and reliable as hip replacement. There are two main types of surgery, depending on the condition of the knee: total knee replacement and half (partial) knee replacement.
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