Zirconia Based Crowns for Esthetic Rehabilitation of Severely Discolored Teeth: A Case Report

According to studies, the smile is the first contact in human relationship. With the “media smile” in our society today, esthetic concerns of our patients are increasing. Despite the long-term reliability of the metal-ceramic prostheses, they have some disadvantages (transmission of light is blocked by the metal, corrosion, cervical tattoo. To overcome these shortcomings, the authors focused their research towards fully ceramic restorations in search of a natural mimicry. There are many types and manufacturing procedures of ceramic, the choice of the best ceramic for a case must be guided by several parameters. In this article a 38-year female patient consults for an esthetically compromised smile due to discolored upper anterior teeth and she requests esthetic smile rehabilitation, the presence of defective restorations and recurrent caries excluded treatments modalities such as bleaching and veneers in favor of full ceramic crowns. Incisors, canines and premolars were restored with CAD/CAM zirconia based ceramic crowns.