كليدواژه :
دندانپزشكي , DMFT , آناليز واريانس , DMFT , Variance analysis
چكيده لاتين :
Background and aim: World Health Organization (WHO) and international federation of dentistry have considered the rate of DMFT at the age of 12 for permanent teeth in the year of 2000 and 2011) maximum as 3 and 1, respectively. The aim of this study was to assess DMFT status and factors affecting on it among 12-year-old children in Ardekan.
Methods & Materials: In this observational, descriptive, functional study which was conducted cross-sectionaly, 607 samples (304 urban and 303 rural) were chosen randomly from guidence schools of Ardekan and its suburbs. In this investigation, the effects of different factors on DMFT such as accomodation status number of children, tooth-brushing status were studied and the maximum effect was attributed to tooth-brushing with a considerable decrease on DMFT. Data were subjected to t-test and Chi-Squre and compared by Variance analysis.
Results: The rate and total standard deviation of DMFT in Ardekan was 1.453±1.5, that 1.647±1.533 in the city and 1.47911.372 in villages. Mean caries free people was 41%, in the city 4t)% and in village 42%. Mean decayed teeth (D) in the city and villages were 1.07 and 1.207, respectively.
Mean extracted teeth in the city was 110% and that of villages was 46%.
Mean filled teeth in the city and villages were 831% and 46%, respectively.
Conclusion: Average DMFT based on sex was 1.092 for females and 1.987 for males in the city and 1.453 for females and 1.293 for males in villages.
