title: 2D or not 2D? That is the question.
authors.affiliation: St. Bartholomew's and the Royal London School of Medicine and Dentistry, London, England.
authors.forename: J P
authors.initials: JP
authors.lastname: Moss
mesh_terms: D006801:Humans; D003765:Models, Dental; D009970:Orthodontics / Q000379:methods* / Q000639:trends; D011861:Radiography, Dental; D014741:Video Recording