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Cost aspects of salt fluoridation
George M Gillespie1, Thomas M Marthaler
1Oral Epidemiology, University College, London, England. ggkwt@yahoo.com
Schweizer Monatsschrift Fur Zahnmedizin = Revue Mensuelle Suisse D'Odonto-Stomatologie = Rivista Mensile Svizzera Di Odontologia E Stomatologia
|October 20, 2005
Summary
Salt fluoridation is a cost-effective public health strategy. Initial investments vary, but running costs are significantly lower than water fluoridation, making it an accessible option for widespread caries prevention.
Area of Science:
- Public Health
- Dental Health
- Food Fortification
Background:
- Dental caries remains a significant global health issue.
- Salt fluoridation is a recognized method for caries prevention.
- Understanding the economic aspects of salt fluoridation is crucial for implementation.
Purpose of the Study:
- To analyze the cost-effectiveness of salt fluoridation.
- To compare the economic factors of salt fluoridation with water fluoridation.
- To identify key determinants of salt fluoridation costs.
Main Methods:
- Analysis of equipment costs for salt fluoridation plants.
- Evaluation of running costs, including fluoride chemicals and personnel.
- Comparison of salt fluoridation expenses with water fluoridation.
Main Results:
- Initial equipment costs for salt fluoridation range from $3,000 to $400,000, depending on plant size.
- Running costs are substantially lower than water fluoridation (10-100 times less).
- Infrastructure accounts for 85-90% of initial costs; combined iodization reduces fluoride equipment costs by 30-50%.
Conclusions:
- Salt fluoridation offers comparable cariostatic effectiveness to water fluoridation.
- The lower running costs make salt fluoridation economically advantageous, especially for smaller operations.
- Implementation costs are often absorbed by producers, leading to no price increase for fluoridated salt.