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目的:评估学龄前儿童使用氟化物预防龋病的效果。方法:2005～2009年间,对宝安城区幼儿园使用氟化物情况进行监测,分析氟化物预防龋病的效果。结果:5年间共监测46279例学龄前儿童,有40851例使用了氟化物预防龋病,使用率88.27%。含氟漱口水的使用率为91.28%,误吞率5.63%;含氟凝胶使用率81.28%,误吞率3.17%;氟化泡沫使用率95.33%,误吞率1.10%;不同氟化物使用率和误吞率的差异有统计学意义(P=0.000)。患龋率从2005年的76.19%下降到2009年的45.91%;龋均从2005年的6.11颗下降到2009年的3.07颗;不同年份间患龋率的差异有统计学意义(P=0.000)。结论:2005～2009年宝安城区学龄前儿童氟化物预防龋病项目取得了肯定的成效,氟化物可以有效降低龋齿的发生率。
Objective: To evaluate the effect of fluoride on caries prevention in preschool children. Methods: From 2005 to 2009, the use of fluoride in kindergartens in Baoan City was monitored, and the effect of fluoride on caries prevention was analyzed. Results: A total of 46,279 preschool children were monitored in 5 years. Fluoride was used to prevent dental caries in 40,851 cases, with a utilization rate of 88.27%. Fluoride mouthwash utilization rate of 91.28%, 5.63% misuse; Fluoride gel utilization rate of 81.28%, 3.17% of the swallow rate; fluorinated foam utilization rate of 95.33%, swallowed 1.10%; different fluoride use There was a significant difference in rates and inrush rates (P = 0.000). The prevalence of caries decreased from 76.19% in 2005 to 45.91% in 2009; the number of caries dropped from 6.11 in 2005 to 3.07 in 2009; there was a significant difference in caries prevalence among different years (P = 0.000) . Conclusion: From 2005 to 2009, the project of fluoride prevention for dental caries in preschool children in Baoan City has achieved certain results. Fluoride can effectively reduce the incidence of dental caries.