Frias Antonio Carlos, Narvai Paulo Capel, Araújo Maria Ercilia de, Zilbovicius Celso, Antunes José Leopoldo Ferreira
Faculdade de Odontologia, Universidade de São Paulo, São Paulo, Brazil.
Cad Saude Publica. 2006 Jun;22(6):1237-46. doi: 10.1590/s0102-311x2006000600013. Epub 2006 May 29.
The aim of this study was to estimate the cost of fluoridating the public water supply in the city of São Paulo, Brazil, from 1985 to 2003. Cost calculation for fluoridation of the public water supply used the following: capital cost of initial installation, chemical product (hydrofluosilicic acid), system's operational cost (maintenance, electricity, and human resources), and monitoring fluoride levels. Fluoridation was effective, since there was a decrease of 73% in dental caries in 12-year-olds--mean DMF was 6.47 (6.12-6.82) in 1986, having decreased to 1.75 (1.48-2.92) in 2002. In this age group, 40% of children presented DMF = 0 in 2002. Average cost per inhabitant/year for 2003 was R$ 0.08 (USD 0.03). The accumulated cost for 18 years of implementation and maintenance of the fluoridation system was R$ 1.44 (USD 0.97) per capita.
本研究的目的是估算1985年至2003年巴西圣保罗市公共供水系统氟化处理的成本。公共供水系统氟化处理的成本计算采用了以下方面：初始安装的资本成本、化学产品（氢氟硅酸）、系统运营成本（维护、电力和人力资源）以及氟化物水平监测。氟化处理是有效的，因为12岁儿童的龋齿患病率下降了73%——1986年平均龋失补牙数（DMF）为6.47（6.12 - 6.82），到2002年降至1.75（1.48 - 2.92）。在这个年龄组中，2002年40%的儿童DMF = 0。2003年人均每年的平均成本为0.08雷亚尔（0.03美元）。氟化处理系统18年实施和维护的累计人均成本为1.44雷亚尔（0.97美元）。
