Epidemiological studies of tooth wear and dental erosion in 14-year-old children in North West England. Part 1: The relationship with water fluoridation and social deprivation

被引:125
作者
Bardsley, PF
Taylor, S
Milosevic, A [1 ]
机构
[1] Univ Liverpool, Dent Hosp, Dept Restorat Dent, Liverpool L3 5PS, Merseyside, England
[2] Birmingham Dent Hosp, Dept Restorat Dent, Birmingham, W Midlands, England
[3] Univ Liverpool, Ctr Med Stat & Hlth Evaluat, Liverpool L69 3BX, Merseyside, England
基金
英国惠康基金;
关键词
D O I
10.1038/sj.bdj.4811722
中图分类号
R78 [口腔科学];
学科分类号
1003 [口腔医学];
摘要
Objective The effect of water fluoridation upon dental erosion/tooth wear in the UK has not been investigated. This study aimed to compare the prevalence of tooth wear in 14-year-old schoolchildren in non-fluoridated and fluoridated districts of North West (NW) England. The influence of deprivation and tooth brushing was also investigated. Design A random sample of 10% of the 14-year-old population in NW England was selected and stratified according to fluoridation status as determined from water authority postcode listings. Methods Tooth wear was scored on the labial, incisal and palatal/lingual surfaces of the 12 anterior teeth and the occlusal surfaces of the first molars. Enamel wear was scored 0, dentine was scored I or 2, dependent on whether less than or more than a third of the surface had exposed dentine. Secondary dentine or pulpal exposure scored 3. Townsend deprivation scores were gained from residential post codes. Results A total of 2,351 children were examined, of which 637 (27%) lived in the one fluoridated district of South Cheshire and 1,714 (73%) lived in 11 non-fluoridated districts. Fifty-three per cent of the children had exposed dentine with significantly more males affected than females (p<0.001). In the fluoridated district, significantly fewer children had exposed dentine on labial and palatal smooth surfaces (p<0.001) but no differences were found for incisal and occlusal surfaces. The interaction of fluoridation and tooth brushing twice per day resulted in a significant (30%) reduction in erosion. Smooth surface wear was more prevalent in children resident in affluent areas. Conclusion Children in non-fluoridated districts are 1.5 times more likely to have smooth surface wear compared with children in fluoridated districts. Fluoridation and use of fluoridated toothpaste twice a day provide added protection from dental erosion. The risk of tooth wear is greater with increasing affluence.
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页码:413 / 416
页数:4
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