1. A method of manufacturing an arthroplasty jig, the method comprising: a.) generate a restored bone model, wherein the bone model includes a three dimensional computer model of at least a portion of a joint surface of a bone of a patient joint to undergo an arthroplasty procedure, wherein the restored bone model is representative of the bone in a pre-degenerated state; b.) generate an implant model, wherein the implant model includes a three dimensional computer model of at least a portion of a joint surface of an arthroplasty implant to be used in the arthroplasty procedure; and c.) shape match an articular joint surface of the restored bone model and a corresponding articular joint surface of the implant model.