title: Contrasting benefits.
authors.forename: G L
authors.initials: GL
authors.lastname: Tyrer
mesh_terms: D003731:Dental Caries / Q000000981:diagnostic imaging*; D004560:Electricity; D006801:Humans; D011787:Quality of Health Care; D011829:Radiation Dosage; D016300:Radiography, Bitewing / Q000295:instrumentation*