Helm, S Prevalence of malocclusion in medieval and modern Danes contrasted. [electronic resource] - Scandinavian journal of dental research Apr 1979 - 91-7 p. digital Publication Type: Comparative Study; Historical Article; Journal Article ISSN: 0029-845X Standard No.: 10.1111/j.1600-0722.1979.tb00659.x doi Subjects--Topical Terms: AdolescentAdultChildDenmarkHistory, 20th CenturyHistory, MedievalHistory, Modern 1601-HumansMalocclusion--epidemiologyPaleodontologyTooth Abnormalities--epidemiology