title: An orthodontic survey of Libyan schoolchildren.
mesh_terms: D002508:Cephalometry; D002648:Child; D005145:Face / Q000033:anatomy & histology; D005260:Female; D006801:Humans; D008002:Libya; D008297:Male; D008310:Malocclusion / Q000453:epidemiology*; D012886:Skull / Q000033:anatomy & histology