Global problems of oral diseases.
D000293:Adolescent; D002648:Child; D003753:Dental Health Surveys; D005260:Female; D006285:Health Planning; D049690:History, Ancient; D049711:History, Modern 1601-; D006801:Humans; D007391:International Cooperation; D008297:Male; D009059:Mouth Diseases / Q000266:history / Q000517:prevention & control; D014944:World Health Organization