[15 year's results with combined caries prophylaxis according to the recommendations of the seminar for juvenile dental health (1961)].

Consistent combination of the prophylaxis measures as recommended by the Seminar for youth dental health has led to a 67% decrease in caries incidence for the Bettlach schoolchildren, during the last 15 years. A very important factor is the good collaboration between school dentists and teaching staff of the school; centralized examination makes thorough and universal prophylactic measures possible.