title: Dental injuries in Copenhagen schoolchildren, school years 1967-1972.
mesh_terms: D000059:Accidents; D000063:Accidents, Traffic; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001265:Athletic Injuries; D002648:Child; D003718:Denmark; D003743:Dental Enamel / Q000293:injuries; D003804:Dentin / Q000293:injuries; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007180:Incisor / Q000293:injuries; D008297:Male; D009058:Mouth Breathing; D012571:School Dentistry; D012621:Seasons; D012737:Sex Factors; D014082:Tooth Fractures / Q000453:epidemiology* / Q000209:etiology; D018677:Tooth Injuries; D014094:Tooth, Deciduous / Q000293:injuries; D014947:Wounds and Injuries