subject 마시는 물의 불소농도와 치아불소증 발상과의 상관 관계
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date 19-01-17 13:19
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불소의 농도가 높을 수록  나이가 어릴 수록(유아와 청소년) 치아불소증 발생의 위험도가 높아집니다.


2018 Nov-Dec;7(6):1222-1228. doi: 10.4103/jfmpc.jfmpc_72_18.

A comparative study of dental fluorosis and non-skeletal manifestations of fluorosis in areas with different water fluoride concentrations in rural Kolar.

Abstract

Background:

Fluorosis is an endemic disease which results due to excess exposure to high fluoride from different sources. The climatic factors and dependency on ground water add to the risk of fluorosis in Kolar. In addition to it, the epidemiological studies conducted on fluorosis in Kolar are very few.

Aims:

(1) To estimate age-specific prevalence of dental fluorosis in the study population. (2) To determine the proportion of study subjects with non-skeletal manifestations of fluorosis (3) To assess and compare the influence of various socio-epidemiological factors in the occurrence of dental fluorosis among the study population in areas with high and normal fluoride.

Methodology:

A cross-sectional study was conducted among the residents of three randomly selected villages, Thimmasandra and Batwarahalli (high fluoride) and Maddinayakanahalli (normal fluoride) belonging to Bangarpet taluk, Kolar for 1 year. Dental fluorosis was assessed by the Dean's grading. Non-skeletal manifestations were elicited based on clinical features. Fluoride levels of drinking water sources were estimated by ion-electrode method. The Chi-square and Fisher's exact tests were used to see the difference in proportions and a P value of <0.05 was considered for statistical significance.

Results:

The prevalence of dental and non-skeletal fluorosis in the study groups with high and normal fluoride groups were 13.17%, 5.5%, 3.84%, 1.9%, respectively. The prevalence of dental fluorosis was significantly higher among the children and adolescents compared to adults (P < 0.05).

Conclusion:

Dental fluorosis is a public health problem mainly affecting children and adolescents in Bangarpet.

KEYWORDS:

Dean's index; fluoride; fluorosis; ion-electrode method; non-skeletal fluorosis

 

 

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