[Incidence of malocclusion and its etiology in school-age children].
D000293:Adolescent; D002648:Child; D006801:Humans; D008310:Malocclusion / Q000453:epidemiology / Q000209:etiology*; D011044:Poland; D012959:Socioeconomic Factors
Czestość wad zgryzu i ich etiologia u dzieci szkolnych.