A Comparative Study of Dental Caries Prevalence in 35-44 and 6-12 year Old Iranian Villagers and Afghan Refugees Living in Villages of Isfahan Province of Iran.

Tayebeh Mansori Karkavandi, Sayed. Mohammad R. Tavafzadeh Haghi, Majid Bouzari, Akbar Bagherzamani, Abdollah Farhady


The most common disease of oral cavity is dental caries. Dental caries cause significant economical loss due to heavy expenses of dental treatment. The most important way to reduce this loss is attention to prevention measures. One of the criteria for evaluation of oral and dental health is DMFT index. The age groups of 35 to 44 and 6 to 12 years-old are the recommended age groups for determination of the DMFT index by the world health Organization.

Methods and materials
The aim of this study was to determine possible DMFT indices in Iranian villagers and Afghali refugees living in yillages of Isfahan province aged 35 to 44 and 6 to 12 years. Two hundred and twenty women ( 110 Iranian and 110 Afghan ) and 256 men (128 Iranian and 128 Afghan) were examined for DMFT index. For reduction of the influence of Iran environment on the index, only the last five years refugees were examined. Only 20 cases ( 10 girls and 10 boys) of 6-12 years old Afghan children were available so they were compared with 20 (10 girls an d 10 boys) Iranian village children. None of the cases examined had the regular habit tooth brushing. T -student test was used for statistical analysis.

Results and Discussion
DMFT indices were 3.7±1:2.6 and 0.6±1 in Iranian and Afghan boys respectively (t= 3.5) (significant correlation, P

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