Orthodontics: midcentury recollections.
D002508:Cephalometry; D003226:Congresses as Topic; D049673:History, 20th Century; D006801:Humans; D008091:Literature; D009967:Orthodontic Appliances / Q000266:history; D009968:Orthodontic Appliances, Removable / Q000266:history; D009970:Orthodontics / Q000193:education / Q000266:history*; D014081:Tooth Extraction