title: [The treatment of children with an anterior crossbite (two cases applied to the frontal pull apparatus to the maxilla) (author's transl)].
mesh_terms: D002648:Child; D005115:Extraoral Traction Appliances; D006801:Humans; D008310:Malocclusion / Q000628:therapy*; D008437:Maxilla; D009968:Orthodontic Appliances, Removable