Searched for: subject%3A%22German%255C%2BDemocratic%255C%2BRepublic%22
(1 - 1 of 1)
- document
-
Kalsbeek, H. (author), Truin, G.J. (author), Verrips, G.H. (author), Nederlands Instituut voor Praeventieve Gezondheidszorg TNO (author)Both in 6- and 12-year-old Dutch children the prevalence of dental caries has declined remarkably between 1970 and 1985. However, in 6-year-olds the decline terminated after that period, while it continued in the 12-year-olds. In 1986 a national dental survey of the caries prevalence of older age categories was executed. As no comparable caries...article 1992