title: Letter: Inherent st4uctural defects of porcelain-fused-to-gold restorations: a preliminary report.
mesh_terms: D003776:Dental Porcelain / Q000592:standards*; D003793:Dental Restoration, Permanent / Q000592:standards*; D006047:Gold Alloys / Q000592:standards*; D006801:Humans
chemical_list: D006047:Gold Alloys; D003776:Dental Porcelain