Resurfacing of the patellofemoral joint is fraught wan many potential promems. Extreme care must, be used in the technical aspects of resurfacing. The thickness of the patella should be maintained. Asymmetric resurfacing should be avoided. Proper patellar tracking must be present throughout a range of motion. Metal-backed implants should be avoided. A biconvex patellar dome has proven to be a valuable technique for the management of patellar bone loss.