Background and Objectives: To investigate and assess the functional results of complete knee replacement surgery. To determine whether or not there has been an improvement in post-operative pain relief. The knee joint's degree of stability as well as its range of motion to investigate the risks and potential problems of total knee replacement surgery. The preoperative Knee Clinical Score will be compared to the post-operative Knee Clinical Score. The pre-operative Knee Functional Score will be compared to the post-operative Knee Functional Score. In order to evaluate the radiological results of the total knee replacement procedure. Research will be conducted to investigate the connection between the Knee Clinical Score and the Knee Functional Score