title: Prevalence of DMFT and fluorosis in the students of Dayer city (Iran).
abstract: The survey was performed using the cross-sectional method on 506 students selected using multi-stage random sampling. The fluorosis level according to Deans classification and DMFT with its standard method were surveyed. The water fluoride level was estimated in 6 town sources twice, using Alizarin chemical method. The fluorosis and DMFT prevalence in the samples was determined. A total number of 506 students (55.6% boys and 44.4% girls) aged 13 +/- 3 years were examined. The water fluoride level was 2.43 +/- 0.23 ppm and in all the samples, which was more than normal. 19.9% of the subjects being surveyed were healthy 43.6% had mild, 25% moderate and 11.5% had severe fluorosis. Severe fluorosis was found in 65.8% of girls and 34.2% of boys (p < 0.05). The mean DMFT value was 1.8 +/- 1.73 and was higher in girls in comparison with boys (p < 0.05).
authors.affiliation: Dental School of Islamic Azad University, Tehran, Iran.
authors.forename: Gh H
authors.initials: GH
authors.lastname: Ramezani
authors.forename: N
authors.initials: N
authors.lastname: Valaei
authors.forename: H
authors.initials: H
authors.lastname: Eikani
mesh_terms: D000293:Adolescent; D016009:Chi-Square Distribution; D002648:Child; D003430:Cross-Sectional Studies; D004245:DMF Index; D003731:Dental Caries / Q000453:epidemiology*; D005260:Female; D005459:Fluorides / Q000032:analysis; D009050:Fluorosis, Dental / Q000453:epidemiology*; D006801:Humans; D007492:Iran / Q000453:epidemiology; D008297:Male; D015995:Prevalence; D012494:Sampling Studies; D012744:Sex Ratio; D014881:Water Supply / Q000032:analysis
chemical_list: D005459:Fluorides