ارزیابی دو ساله میزان تاثیر روش های پیشگیری از پوسیدگی دندان در کودکان 14-12 ساله مدارس تهران، سال های 77-1375

The purpose of this survey was the determine of effectiveness of preventive precisures. 320 twelve years school student have chosen randomly. After determination of DMFT All of them divided to 4 groups. First group as control and the other groups were as oral hygiene education 6-fluoride therapy and sealant therapy group in a period of two years.Results of this study showed that fluoride therapy was more effective than the other procisures than oral hygiene instructions.