| dc.description.abstract | world health organization makes use of different indexes so as to determine the oral health status among the countries and to compare one another among which DMFT is the most important one known as decayed teeth average, filled and missed due to decaying in diverse age frequency falling into 12 year-old range. The current study aims to determine DMFT/dmft index of 6, 9 and 12 years old kids at Ardebil city in 2013 year. Method: 379 students were chosen randomly in order to be studied in this research. The study employed the questionnaire as the main instrument to collect the data. Also, the average of DMFT is 0.44, 1.11 and 3 for 6 and 9 and 12 years old kids, respectively. There is statistical difference in 6 years old group and 9 in terms of dmft average. In addition, dmft average in 6 years old group is higher than dmft average in 9 years old group (P-value<0.001). Also,there is statistical difference in 6,9 and 12 years old groups in terms of DMFT average. In addition, DMFT average in 9 and12 years old groups is higher than DMFT average in 6 years old group.also, DMFT average in 12 years old group is higher than DMFT average in 6 years old group.(p-value<0.05). Conclusion: according to the division provided by world health organization6, 9 and 12 years old kids of Ardebil fall into the category of very low, very low and medium DMFT.so, our first priority is rising up hygiene of oral cavity in 12 years old group. | |
