The Truth Behind “Metal-Free” Crowns: What Zirconia Really Is
Many clinics advertise zirconia crowns as “100% metal-free.” That is not completely accurate. Zirconia crowns do not contain harmful metals like nickel or chromium. But scientifically, zirconium itself is a metal element. So why are they still called metal-free? This page explains the truth — simply and honestly. At Center for Dental Implants & Esthetics, … Read more