Data on the epidemiology of dental decay in children aged between 6 and 12 years in the city of Cluj

: The authors have studied two groups of children from the City of Cluj. The first lot included 1212 children aged 6-7 years, and the second one included 616 children aged 12-13 years. The study consisted in an evaluation of the status of definitive molar teeth in the period which followed the eruption. The frequency of decay was 47.62% for the first molar tooth, and of 37.12% for the second molar. The intensity index was 22.45% and 11.10% respectively. Six years after the eruption the frequency of decay in the first molar tooth was 85.23%, and the intensity was 56.58%.