[Clinical considerations on the effect of the Wunderer activator for correction of anterior cross bite].
D000202:Activator Appliances; D002508:Cephalometry; D002648:Child; D006801:Humans; D008310:Malocclusion / Q000628:therapy*; D008334:Mandible / Q000033:anatomy & histology; D009968:Orthodontic Appliances, Removable