Dental research in the developing world.
D000293:Adolescent; D000328:Adult; D000349:Africa; D002648:Child; D002675:Child, Preschool; D003710:Demography; D003813:Dentistry / Q000639:trends*; D003906:Developing Countries; D005247:Feeding Behavior; D006801:Humans; D009059:Mouth Diseases / Q000453:epidemiology / Q000209:etiology; D009909:Oral Health; D012106:Research; D014076:Tooth Diseases / Q000453:epidemiology / Q000209:etiology