This study is performed both for notification of knowledge level about water fluoridation program for residents of Haeundae, Busan and for finding out the purpose of solving methods of problems which could appeared in water fluoridation program, it has resulted by the survey of 460 Haeundae citizens from August 5, 2005 thru 20th of same month. 1. The drinking water for Haeundae Residents is occupied of 42.8% of the purified water and 31.3% of public tap water, among these, the cooking water is consist of 48.3% of the tap water and 35.4% of the purified water. 2. 35.7% of participants has already known about the water fluoridation program, but 42.0% hasn't, 22.4% were no answer. 3. For the question why water fluoridation program has done 42.0% answered for caries prevention, 32.3% for disinfection of tap water and 15.0% for tap water purification. 4. For water fluoridation program, 78.0% approved and 22.0% disapproved, among reasons 51.0% of approvals were caries prevention and 38.6% of disapproval were that fluorine can be harmful for the human body. 5. There is a fact that fluorine is contained in food, beverage, water, and air, only 21.3% has notified that fact, on the other hand 78.7% hasn't, among teens, 93.5% doesn't know the fluorine containing facts. 6. In the safety notification rate of water fluoridation program, 39.3% notifies it safe, 55.7% showed unknown response, and the speech 28.3% may be the best way to notify it.
The aim of this study was to analyze the factors that were associated to the approval for the community water fluoridation program. The subjects of this study were 751 mothers of elementary school student from September 1 to 30, 2012. Data were analyzed with chi-square, and multiple logistic regression analysis SPSS 12.0. Respondents approving and opposing for the implementation of water fluoridation program were 50.3% and 10.4%. The most associated factors of approval for the community water fluoridation program was recognition of water fluoridation program (odds ratio [OR], 2.98; 95% confidence interval [CI], 1.14~7.76), which was followed by length of residence (OR, 2.49; 95% CI, 1.39~4.47), and recognition of sealant (OR, 1.88; 95% CI, 1.02~3.50) in the order. And the approval opinion had relationship with district of residence. It is recommend that construction of public service system on education and information in order to most peoples can confidence the necessity of community water fluoridation program.
Ha, Tae-Gyu;Kong, Wook-Sung;Kim, Se-Yeon;Kim, Ji-Soo;Lee, Jung-Ha;Kim, Han-Na;Kim, Jin-Bom
The Journal of the Korean dental association
/
v.56
no.4
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pp.194-207
/
2018
Objectives: The water fluoridation program has been implemented since 2008 at the Daesan water treatment plant, Changwon City. The aim of this study is to evaluate caries preventive effect of permanent teeth from community water fluoridation program Methods: Evaluation surveys were conducted on 8-, 10- and 12-year olds in the fluoridated and non-fluoridated area of Uichang-gu and Seongsan-gu, Changwon City in 2015. The number of the subjects in 2015 was 722 in fluoridated area and 707 in non-fluoridated area. The caries preventive effect of permanent teeth by community water fluoridation was estimated by the differences in adjusted DMFT and DMFS scores between the program and control groups. Cofounders of mean number of fissure-sealed teeth or surfaces, and number of subjects by gender were adjusted to estimate the caries preventive effect of permanent teeth. Results: The mean DMFT score or DMFS score of children aged 8-, 10- and 12-years adjusted for the number of fissure-sealed teeth or surfaces in fluoridated area were significantly lower than those in non-fluoridated area in 2015. The caries preventive effect of permanent teeth estimated based on the difference of mean DMFT scores adjusted for fissure-sealed teeth, age and number of subjects by gender between control and program group among children was 37.3%. Conclusions: These results suggest that the caries preventive effect of permanent teeth from water fluoridation program at Daesan water treatment plant, Changwon City was so high that the water fluoridation program should be developed in other regions in Korea.
Objectives: The water fluoridation program has been implemented since 2008, in a region of Geoje City. This study aimed to evaluate the effectiveness of the water fluoridation program on caries prevention in the permanent dentition. Methods: Evaluation surveys were conducted on 8-, 10- and 12-year-old children in the fluoridated and non-fluoridated regions of Geoje City, in 2015. The survey included 834 children from the fluoridated regions and 703 from the non-fluoridated regions. The data obtained from the survey were analyzed using the IBM SPSS statistical package version 23.0. The effectiveness of community water fluoridation in caries prevention was estimated by the differences in the decayed, missing, filled teeth (DMFT) and decayed, missing, filled surfaces (DMFS) scores, between the program and control groups. The mean numbers of fissure-sealed teeth and surfaces were adjusted to reduce their confounding effect. Results: The mean DMFT and DMFS scores (0.69 and 0.91, respectively) of 10-year-olds from the fluoridated regions, after adjusting for the numbers of fissure-sealed teeth and surfaces, were significantly lower than those of the 10 year olds (DMFT: 0.95, DMFS: 1.32) from the non-fluoridated regions. The effectiveness of water fluoridation on caries prevention in the permanent dentition, estimated based on the differences in the mean DMFT and DMFS scores, adjusted for the number of fissure-sealed teeth and surfaces, between the program and control groups of 10-year-old children, was 27.4% and 31.1%, respectively. Conclusions: These results suggest that the effectiveness of water fluoridation on caries prevention in the permanent dentition, in Geoje City was so high that this program should be implemented in other regions in Korea as well.
This paper investigated an overview of awareness for fluoride in the young christian association. 30% of men and 70% of women knew well the prevention of caries for fluoride and water fluoridation program and showed of 90% in 20's, 10% in 30's and 0.00% in 40's. 54%-known people for fluoride had each 37% of men and 63% of woman, then 46%-unknown people for fluoride had each 56.52% of man and 43.48% of women. This showed women knew well awareness for fluoride than men. This showed high level above 50% awareness for fluoride as 54% of comprehension for fluoride and 50% of water fluoridation program. Awareness of fluoride of the subjects known for fluoride, prevention of caries, effects of tooth and water fluoridation program appeared above 50% level as 54%, 47%, 45% and 50%, individually. Thus, tooth management in christian showed high level. But, awareness for fluoride of women in third condition 'unknown for mottled tooth' showed each 38%, 34% and 37%. The mottled tooth from an excessive fluoride appeared low level awareness for fluoride of women. It suggested hard scientific contents made woman subjects unknown the effects of fluoride for tooth.
Kim, Sung-Soon;Lee, Yang-Kyoo;Kim, Gab-Jin;Seo, Seong-Won
Journal of Korean Society of Water and Wastewater
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v.10
no.4
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pp.73-84
/
1996
Fluoride was first introduced into the drinking water of residents of Grand Rapids, Michigan in 1945 for the prevention of dental caries. Ever since, growing numbers of communities favor fluoridation. Now, over 7000 communities in the United States are adding F(0.7~1.2ppm) to their drinking water. The most effective to prevent tooth decay is putting lower concentrated fluoride(F, 0.7~1.2ppm) into drinking water. However, exact fluoride injection amount have not been decided, because the research of the fluoride injection effect was insufficient. Therefore, after separating fluoridation and non-fluoridation into public water supplies, we investigated concentration of fluoride, alkalinity, Al, Ca, Mg, evaporation residuals in APT, domestic, commercial area. Then, we decided allowable concentration of fluoride, injection point of fluoride in water supply system, cost effectiveness.
Objective: To investigate remineralizing effect of three fluoride regimens on artificially demineralized enamel around orthodontic bracket by analyzing mineral density (MD) acquired from micro-computed tomography (micro-CT). Methods: Forty-eight bracket bonded bovine incisors were prepared to create demineralized enamel (DE) surface. The samples were divided into four groups according to the fluoride regimen: 1) no fluoridation, 2) 1.23% acidulated phosphate fluoride (APF) gel, 3) fluoridated toothpaste, and 4) 0.05% sodium fluoride mouthwash. Micro-CT was scanned after demineralization (T0), and 2 weeks (T1) and 4 weeks (T2) of fluoridation. Results: APF gel showed highest remineralization of DE during T1-T0 interval among the groups (p < 0.05); followed by toothpaste, mouthwash and no fluoridation. APF gel and toothpaste demonstrated significant increase in MD after 4 weeks of application (p < 0.05). Conclusions: Remineralization effects of three fluoride regimens were depicted through micro-CT analysis, of which APF gel was most effective.
To contribute the basic data for spread of water fluoridation area, this study provide the awareness and attitudes of local residents for adding fluoride to tap water. The convenience sampling was chosen 534 persons of local residents in Dangjin-gun. Survey was performed from May to September in 2010; below 50 years old person surveyed by self-administered questionnaire method assisted with supervisor, above 50 years old person surveyed by interviewing method. The data analyzed SPSS Ver. 17.0. About the awareness of water fluoridation 49.1% of the subject answered "have heard", but 50.9% "not ever heard". People who answered in favor of the water fluoridation were 63.7%, who answered against were 11.2%. In policy decision method of water fluoridation they highly choose the survey of public opinion in 40.6%, followed by ballot 32.8%, by local government 18.9%, by local councils 5.4%, and other 2.2%. The 71.4% of respondents who replied "have heard" approved the water fluoridation, but only 56.3 percent of respondents who replied "haven't heard" were in favor of that. More than 59.5% of university graduates respondents who answered "have heard" approved the water fluoridation. People with higher education degree more recognized it and the lower shows tend to be low awareness. In conclusion, to expand of water fluoridation area they need more publicity and education about it to local residents.
Objective: This study was performed to investigate the effects of external tooth bleaching with flouridation on the appearance of white spot lesions (WSLs) in vitro. Methods: In total, 125 bracket-bonded bovine incisor enamel blocks with artificial WSLs were randomly divided into a control group and four treatment groups (home bleaching, home bleaching + fluoridation, in-office bleaching, and in-office bleaching + fluoridation). A spectroradiometer (SR) and digital images (DIs) were used to evaluate colorimetric parameters (Commission Internationale l'Eclairage $L^*a^*b^*$) for all specimens. Color measurements were obtained before WSL formation (T1), after WSL formation (T2), and after completion of the external tooth bleaching treatment (T3). Results: The SRbased color change after bleaching was significantly greater in the treatment groups than in the control group (p < 0.05). SR-based lightness ($L^*$) and redgreen ($a^*$) values were significantly higher at T2 than at T1 (p < 0.001), with no significant changes in yellow-blue ($b^*$) values. At T3, SR-based $L^*$ values had increased while $a^*$ and $b^*$ values had decreased in the treatment groups (p < 0.001). The DI-based color difference between the sound enamel and WSL areas (DE*DI) increased significantly from T1 to T2 in all groups (p < 0.001) and significantly decreased from T2 to T3 in the treatment groups (p < 0.001). No significant differences in ${\Delta}E^*DI$ at T3 were shown between the four treatment groups (p > 0.05). Conclusions: The findings of this study suggested that external tooth bleaching with fluoridation can alleviate the conspicuity of WSLs.
Park, Eun-Young;Hwang, Seung-Sik;Kim, Jai-Yong;Cho, Soo-Hun
Journal of Preventive Medicine and Public Health
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v.41
no.3
/
pp.147-152
/
2008
Objectives : Fluoridation of drinking water is known to decrease dental caries, particularly in children. However, the effects of fluoridated water on bone over several decades are still in controversy. To assess the risk of hip fracture related to water fluoridation, we evaluated the hip fracture-related hospitalizations of the elderly between a fluoridated city and non-fluoridated cities in Korea. Methods : Cheongju as a fluoridated area and Chungju, Chuncheon, Suwon, Wonju as non-fluoridated areas were chosen for the study. We established a database of hip fracture hospitalization episode based on the claims data submitted to the Health Insurance Review Agency from January 1995 to December 2002. The hip fracture hospitalization episodes that satisfied the conditions were those that occurred in patients over 65 years old, the injuries had a hip fracture code (ICD-9 820, ICD-10 S72) and the patients were hospitalized for at least 7days. A total of 80,558 cases of hip fracture hospitalization episodes were analyzed. Results : The admission rates for hip fracture increased with the age of the men and women in both a fluoridated city and the non-fluoridated cities (p<0.01). The relative risk of hip fracture increased significantly both for men and women as their age increased. However, any difference in the hip fracture admission rates was not consistently observed between the fluoridated city and the non-fluoridated cities. Conclusions : We cannot conclude that fluoridation of drinking water increases the risk of hip fracture in the elderly.
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