What is knee replacement surgery is a common question among patients experiencing severe knee pain, arthritis, or joint damage that affects daily activities. Knee replacement surgery is a medical procedure in which damaged parts of the knee joint are removed and replaced with artificial implants made of metal and plastic to restore smoother movement. The procedure is usually recommended for people with severe osteoarthritis, rheumatoid arthritis, or long-term knee injuries that limit mobility. Surgeons replace worn-out cartilage and bone surfaces with prosthetic components designed to function like a natural knee joint and reduce chronic pain. Patients searching for information about what knee replacement surgery is can consult orthopedic specialists at Medicover Hospitals for expert diagnosis, advanced surgical techniques, and comprehensive joint replacement care.