title: The enigma of the bilayered zirconia restoration.
authors.affiliation: bkeough@prosdent.com
authors.forename: Bernard E
authors.initials: BE
authors.lastname: Keough
authors.forename: R David
authors.initials: RD
authors.lastname: Sager
authors.forename: Howard B
authors.initials: HB
authors.lastname: Kay
authors.forename: Steven L
authors.initials: SL
authors.lastname: Bellinger
mesh_terms: D003776:Dental Porcelain; D017267:Dental Prosthesis Design; D003799:Dental Stress Analysis; D003801:Dental Veneers; D006801:Humans; D015019:Yttrium; D015040:Zirconium
chemical_list: C499362:yttria stabilized tetragonal zirconia; D003776:Dental Porcelain; D015019:Yttrium; D015040:Zirconium