title: [International comparative investigations of dental care systems. Oral hygiene and periodontal status among children 4-9 and 13-14 years old].
mesh_terms: D000293:Adolescent; D002648:Child; D003729:Dental Care; D005260:Female; D006801:Humans; D008297:Male; D009909:Oral Health; D009910:Oral Hygiene; D010510:Periodontal Diseases / Q000453:epidemiology*; D010512:Periodontal Index; D011044:Poland; D014076:Tooth Diseases / Q000453:epidemiology
vernacular_title: Miedzynarodowe badania porównawcze systemów opieki stomatologicznej. Stan higieny jamy ustenj i przyzebia u dzieci w wieku 8-9 i 13-14 lat.