كليدواژه :
Dental caries , Draft , CARIES FREE , عاري از پوسيدگي , دندانپزشكي , DMFT , پوسيدگي دنداني
چكيده لاتين :
Background and aim: The goal of this study was to determine some of the epidemiologic factors of draft and CF rate (caries free) among 3-5 year old children of kindergartens under the supervision of Behzisti organization in Tehran (2003).
Methods & Materials: This cross-sectional study was performed randomly on 400 girls and boys, aged 3-5, from 32 kindergartens. Examinations were done by on explorer and mirror and x-ray was not used. Caries diagnosis was based on WHO guidelines and children with dmft=0, were considered as CF cases. General knowledge of children were asked from their parents through a questionnaire.
Statistical tests including X^2, t and one way ANOVA and LSD post hoc test when needed were used. Significance level was Alpha=0.0S and Pearson correlation coefficient was calculated to evaluate the relationship between quantitative variables and dmft.
Results: Mean draft among the investigated children was 2.45 and means of "d", "m" and "fʹ were 1.95, 0.43 and 0.07, respectively. The rate of CF, in this study was 48.3% and "Sex" did not have an effect on CF. Investigations showed that the rate of CF decreased mean draft increased by age (P<0.001). Also. it was observed that parents education, mother occupation, the size of family and the grade of childʹs birth were significantly effective on draft (P<0.05).
In groups with low-level parents education and house-wife mothers, mean draft was high and with an increase in family size and grade of childʹs birth, draft was also increased.
Conclusion: This study showed mean draft in investigated children as 2.45 and the rate of CF as 4S.3 which did not show acceptable results. Children belonging to parents of low-level education had more problems.
