Why Can't We Just Replace Cartilage? Understanding Why Joint Replacement Is Sometimes Necessary

Many patients ask the same question:"If arthritis means cartilage is worn out, why can't you just replace the cartilage instead of replacing the entire joint?"In this episode, Dr. Matthew Sloan breaks down one of the biggest misconceptions about arthritis and explains why advanced hip and knee arthritis is much more than a cartilage problem.You'll learn why cartilage has such limited healing potential, how arthritis affects the entire joint, what injections and biologic treatments can realistically accomplish, and why modern joint replacement remains one of the most successful procedures in medicine.Dr. Sloan also explores the future of arthritis treatment, including regenerative medicine, stem cell therapies, AI-driven early detection, cartilage restoration techniques, and the possibility that future generations may need fewer joint replacements because arthritis is prevented before it ever becomes severe.Whether you're considering joint replacement, trying injections, or simply looking to understand your options, this episode provides a clear explanation of the science behind arthritis and the future of orthopedic care.The Joint Replacement PodcastHosted by Matthew Sloan, MDHelping patients understand hip replacement, knee replacement, arthritis treatment, robotics, recovery, and the surgeons who perform these life-changing procedures.