title: Constraint in the use of new materials and techniques.
authors.forename: B L
authors.initials: BL
authors.lastname: Douglas
mesh_terms: D001672:Biocompatible Materials; D006801:Humans; D007603:Jurisprudence; D019736:Prostheses and Implants; D013515:Surgery, Oral / Q000295:instrumentation / Q000379:methods
chemical_list: D001672:Biocompatible Materials