The Truth About Metal Sensitivity in Joint Replacement | Implant Materials Explained

Could the material inside a hip or knee replacement quietly trigger your immune system for years?In this episode, Dr. Matthew Sloan breaks down the real science behind metal sensitivity and joint replacement implants — separating evidence from fear and marketing hype.You’ll learn:• What hip and knee implants are actually made of• Why cobalt chrome, titanium, ceramic, and polyethylene are used• The difference between a true allergy and metal hypersensitivity• Why nickel is the biggest concern for sensitive patients• Whether implant materials can contribute to inflammation or implant failure• The truth about allergy testing before surgery• When ceramic or titanium implants may make sense• Why surgical technique matters more than the implant material aloneMost patients with joint replacements never experience clinically significant metal reactions. But understanding implant materials can help patients make better informed decisions and have more productive conversations with their surgeon.This episode delivers a practical, evidence-based look at one of the most misunderstood topics in modern joint replacement surgery.