Künzel W
Zahn Mund Kieferheilkd Zentralbl. 1976;64(8):790-9.
Cariostatistical comparisons made since the start of drinking-water fluoridation in Karl-Marx-Stadt suggested territorial differences in the prevalence of dental decay. In the present paper an attempt is made to analyse the problems involved, with due consideration being given to both demographic and ecological factors.
自卡尔 - 马克思城开始进行饮用水氟化处理以来所做的龋齿统计比较表明,龋齿患病率存在地区差异。在本文中,我们试图分析其中涉及的问题,同时充分考虑人口统计学和生态学因素。