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Tae-Young Ok1
, Yong-Bong Kwon1, Ji-Soo Kim1, 2, Se-Yeon Kim1, 2, Jung-Ha Lee1, Han-Na Kim3, Jin-Bom Kim1, 2
, Yong-Bong Kwon1, Ji-Soo Kim1, 2, Se-Yeon Kim1, 2, Jung-Ha Lee1, Han-Na Kim3, Jin-Bom Kim1, 2
Abstract
Objectives
The community water fluoridation program was implemented in 1998 in Jinju city. The aim of the present study was to evaluate the effect of this 17-year community water fluoridation program on caries reduction in permanent teeth.
Methods
Evaluation surveys were conducted in 2015 on subjects aged 8, 10, 12, and 15 years in Jinju city. The examined dental data were compared with that of subjects of the same age groups living in the medium-sized cities from the 6th Korea National Health and Nutrition Examination Survey (KNHANES) (2013–2015). The total number of subjects was 1,026 in Jinju city and 453 in the control group. The odds ratio of caries experience rate and untreated tooth rate on permanent teeth in Jinju city compared to control group was estimated based on the differences in DMF and untreated teeth rates after adjusting for gender, age, and mean number of fissure-sealed teeth. The effect of community water fluoridation program on caries reduction in permanent teeth was estimated by the differences in adjusted DMFT scores between the program and control groups.
Figures and Tables
Table 2
Rate of subjects with fissure-sealed teeth and mean number of fissure-sealed teeth
*Subjects living in Dong (downtown) districts from the Sixth Survey of Korean National Health and Nutrition Examination Survey (2013-2015) conducted by Korea Centers for Disease Control and Prevention.
†Subjects in Jinju City.
‡Obtained from Chi-squared test.
§Standard error.
∥Obtained from independent samples t-test.
Table 3
Rate of subjects with decayed, missing and filled permanent teeth and subjects with untreated decayed permanent teeth
*DMF rate means rate of subjects with decayed, missing and filled permanent teeth.
†Untreated D rate means rate of subjects with untreated decayed permanent teeth.
‡Subjects living in Dong (downtown) districts from the Sixth Survey of Korean National Health and Nutrition Examination Survey (2013-2015) conducted by Korea Centers for Disease Control and Prevention.
§Subjects in Jinju City.
∥Obtained from Chi-squared test.
Table 5
Adjusted odds ratios (AORs) and confidence intervals of variables related to rate of subjects with dental caries experience on permanent dentition*
Table 6
Adjusted odds ratios (AORs) and confidence intervals of variables related to rate of subjects with untreated decayed permanent teeth*
References
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