Prosthodontics is a field in dentistry that is specialized in procedures that include the making of crowns, bridges, inlays, onlays, veneers, partial and total dentures and implants. In other words, prosthodontists are the dentists that are trained in diagnosis and treatment of patients that have missing teeth. Prosthodontics is a field that provides total oral rehabilitation. Prosthodontists have to go through two or three additional years of specialty.