title: The John Hubbard Ceramic Margin Anchor System.
authors.affiliation: J.H. Dental Studios, Kent, England.
authors.forename: J R
authors.initials: JR
authors.lastname: Hubbard
mesh_terms: D003442:Crowns; D017267:Dental Prosthesis Design; D006801:Humans; D016876:Metal Ceramic Alloys; D019231:Tooth Preparation, Prosthodontic
chemical_list: D016876:Metal Ceramic Alloys