 Even though the initial surgical procedure being technical and radiological satisfactory, there are a big proportion of patients who endure dissatisfaction and disability after total joint replacement TJR between 20-40. The strongest predictor for dissatisfaction after a TKA were found to be preoperative expectation not met postoperatively 10.7x greater risk. To date, there is no criterion standard for assessing the outcome of neither expectations nor satisfaction for patients undergoing TJR. 