title: Tooth attrition among rural Nigerians.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D006801:Humans; D008875:Middle Aged; D009549:Nigeria; D011897:Random Allocation; D012424:Rural Population; D014072:Tooth Abrasion / Q000453:epidemiology*