[Development of orthodontics and orthodontic appliances (I)].
D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D009967:Orthodontic Appliances / Q000266:history*
Die Entwicklung der orthodontischen und kieferorthopädischen Apparaturen (I).