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Ahn, You, Kim, Han, Kim, and Jeong: Caries preventive effect of permanent teeth using pit and fissure sealant program and community water fluoridation program
Original Article
Journal of Korean Academy of Oral Health

Journal of Korean Academy of Oral Health 2012; 36(4): 289-296.

Published online: 28 December 2012

DOI: https://doi.org/10.11149/jkaoh.2012.36.4.289

Caries preventive effect of permanent teeth using pit and fissure sealant program and community water fluoridation program

Se-Ho Ahn1, Hae-Young You1, Min-Ji Kim1, Dong-Hun Han2, Jin-Bom Kim1, Seung-Hwa Jeong1

1Department of Preventive & Community Dentistry, Pusan National University School of Dentistry, Yangsan, Seoul, Korea.

2Department of Preventive & Social Dentistry, Seoul National University School of Dentistry, Seoul, Korea.

Corresponding Author: Seung-Hwa Jeong. Department of Preventive and Community Dentistry, Pusan National University School of Dentistry, 49 Busandaehak-ro, Beomeo-ri, Mulgeum-eup, Yangsan 626-870, Korea. Tel: +82-51-510-8222, Fax: +82-51-510-8221, jsh0917@pusan.ac.kr

Received 12 September 2012       Revised 2 November 2012       Accepted 19 November 2012

Copyright © 2012 by Journal of Korean Academy of Oral Health

(open-access):

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objectives

The aim of this study was to evaluate the caries preventive effects of oral health programs composed of pit and fissure sealant and community water fluoridation in Hapcheon-Up, Hapcheon-Gun, the Republic of Korea.

Methods

Dental surveys were conducted on 6 to 14 year old children at Hapcheon-Up, Hapcheon-Gun in 2000 and 2009, respectively. The number of the subjects was 1,957 and 1,535 children in 2000 and 2009, respectively. The percentage of samples among total population aged 6 to 14 years in 2000 and 2009 was 90.6% and 92.3%, respectively. The obtained data from these surveys were analyzed with the PASW statistical package version 18.0 (SPSS Inc., Chicago, IL, USA). The 2009 dental health data including the prevalence of dental caries and fissure sealants on children's permanent teeth was compared to the 2000 dental health data, and assessed using chi-square test and independent-sample t-test.

Results

DMF rate of 12-year olds was 76.9% in 2000, and it significantly decreased to 42.5% in 2009. DMFT index of 12-year olds was 3.03 in 2000, and it significantly decreased to 1.07 in 2009. The prevalence rate of sealed permanent teeth among the 12-year olds was 15.4% in 2000, and it significantly increased to 97.2% in 2009. The caries reduction rate from pit and fissure sealant added by community water fluoridation program was calculated as 44.7% in 12-year olds by the difference of DMFT index between 2000 and 2009 year. Logistic regression analysis revealed that both programs were associated with an increasing likelihood of experiencing no dental caries (OR=4.00, 95% CI; 3.23-4.95).

Conclusions

These results suggest that the oral health program composed of pit and fissure sealant and community water fluoridation in Hapcheon was very effective in caries prevention. The program should be expanded to other area to prevent dental caries among children.

Keywords: Dental caries prevention, DMF index, DMF rate, Fluoridation, Oral health program, Pits and fissure sealant

Figures and Tables

Fig. 1
Distribution of subjects according to each DMFT index (2000, 2009 year).
jkaoh-36-289-g001
Table 1
Distribution of study subjects by age and gender in 2000, 2009 year
jkaoh-36-289-i001
Table 2
Classification of subjects who benefited from water-fluoridation and dental-sealant program
jkaoh-36-289-i002

Y, benefited from each program; N, not benefited from each program.

Table 3
Proportion (%) of subject with dental sealant on permanent teeth at Hapcheon in 2000, 2009 year
jkaoh-36-289-i003

*P-value determined by chi-square test.

Table 4
Proportion (%) of subject with caries experience on per manent teeth (DMF rate) at Hapcheon in 2000, 2009 year
jkaoh-36-289-i004

*P-value determined by chi-square test.

Table 5
Decayed, missing, filled teeth (DMFT index, mean±sd) at Hapcheon in 2000, 2009 year
jkaoh-36-289-i005

*P-value determined by independent sample t-test.

Table 6
Proportion of subject with caries experience on anterior and posterior permanent teeth and odds ratio for caries free by exposure of water fluoridation
jkaoh-36-289-i006
Table 7
Proportion of subject with caries experience on posterior permanent teeth and odds ratio for caries free by exposure of water fluoridation and dental sealant
jkaoh-36-289-i007

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