title: A mandatory 3-year orthodontic postgraduate program and the American board of orthodontics: what's the connection?
authors.forename: Elliott M
authors.initials: EM
authors.lastname: Moskowitz
mesh_terms: D004499:Education, Dental, Graduate / Q000592:standards; D006801:Humans; D037141:Mandatory Programs; D009970:Orthodontics / Q000193:education* / Q000592:standards; D013044:Specialty Boards; D014481:United States