Metal-Free Dental Implants: A Narrative Review of Zirconia and Emerging Alternative Materials

This narrative review explores the current landscape of metal-free dental implants, emphasizing zirconia as the leading material and examining alternative options. The review discusses the biological, mechanical, and esthetic properties of zirconia implants, along with recent advances in material science exploring polymer-based and ceramic alternatives. Clinical outcomes, osseointegration potential, and limitations are also reviewed, highlighting future directions for biocompatible, esthetically superior implant solutions.