http://orthoinfo.aaos.org/brochure/thr_report.cfm?Thread_ID=18&topcategory=About%20Orthopaedics&searentry=total%20joint
American Academy of Orthopaedic Surgeons
The goal of joint replacement is to relieve the pain in the joint caused by the damage done to the cartilage.The American Academy of Orthopaedic Surgeons answers questions on joint replacement surgery.