A model to determine the economic viability of water fluoridation

Journal of Public Health Dentistry
Jeroen Kroon, Philippus Johannes Van Wyk

Abstract

In view of concerns expressed by South African local authorities the aim of this study was to develop a model to determine whether water fluoridation is economically viable to reduce dental caries in South Africa. Microsoft Excel software was used to develop a model to determine economic viability of water fluoridation for 17 water providers from all nine South African provinces. Input variables for this model relate to chemical cost, labor cost, maintenance cost of infrastructure, opportunity cost, and capital depreciation. The following output variables were calculated to evaluate the cost of water fluoridation: per capita cost per year, cost-effectiveness and cost-benefit. In this model it is assumed that the introduction of community water fluoridation can reduce caries prevalence by an additional 15 percent and that the savings in cost of treatment will be equal to the average fee for a two surface restoration. Water providers included in the study serve 53.5 percent of the total population of South Africa. For all providers combined chemical cost contributes 64.5 percent to the total cost, per capita cost per year was $0.36, cost-effectiveness was calculated as $11.41 and cost-benefit of the implementation of water fluori...Continue Reading

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Citations

Dec 5, 2014·International Journal of Occupational and Environmental Health·Lee Ko, Kathleen M Thiessen
Aug 16, 2016·International Journal of Technology Assessment in Health Care·Emma WarrenR Wendell Evans
Aug 10, 2013·Australian Journal of Primary Health·Ratilal Lalloo, Jeroen Kroon
Nov 29, 2017·BMC Oral Health·David MooreW Murray Thomson
Oct 19, 2019·Community Dentistry and Oral Epidemiology·Deborah MooreIain A Pretty
Apr 18, 2020·BMC Oral Health·Rodrigo Mariño, Carlos Zaror

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