title: [Extraoral force in Benac appliance (1st. part) (author's transl)].
mesh_terms: D006801:Humans; D008310:Malocclusion / Q000628:therapy; D009968:Orthodontic Appliances, Removable / Q000295:instrumentation; D014087:Tooth Movement Techniques
vernacular_title: Fuerza extraoral en la aparatogía de Benac (1ra. parte)