title: [The use of self-activating arches and springs in orthodontics (I)].
mesh_terms: D000202:Activator Appliances; D006801:Humans; D009968:Orthodontic Appliances, Removable; D010155:Palatal Expansion Technique
vernacular_title: Die Anwendung selbstaktivierender Bögen und Federn in der Kieferorthopädie (I).