During total knee replacement, the damaged articular cartilage and bone are removed and replaced with metal and plastic components to recreate knee function. The procedure often takes around 1-3 hours, depending on individual factors. Complications are uncommon but may include infection, blood clots, or stiffness. However, if the procedures are done robotically, they have their advantages like less blood loss, soft tissue protection, CT-based planning helps clear view and pre-planning to avoid any unwanted complications at the time of the surgery.