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The Venturi Fluoride Saturator project.

R J Hastreiter1, M C Falken, G G Smith

  • 1Minnesota Department of Health, Minneapolis 55440.

Journal of Public Health Dentistry
|January 1, 1991
PubMed
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Venturi Fluoride Saturator (VFS) systems are not recommended for small water systems due to maintenance issues. While community systems showed some success, school systems failed to maintain fluoride levels, indicating a need for VFS system improvements.

Area of Science:

  • Environmental Engineering
  • Public Health
  • Water Treatment

Background:

  • Fluoridation of small community and school water supplies is crucial for public dental health.
  • Existing methods for water fluoridation require evaluation for their suitability in smaller systems.

Purpose of the Study:

  • To assess the feasibility and maintenance requirements of Venturi Fluoride Saturator (VFS) systems for small community and school water supplies.
  • To determine if VFS systems can achieve and maintain optimal fluoride residuals.

Main Methods:

  • Installation and operation of VFS systems at four school and six community water well sites.
  • Monitoring of system performance and maintenance efforts according to state and federal guidelines.

Main Results:

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  • School VFS systems failed to maintain optimal fluoride residuals despite significant maintenance efforts.
  • Community VFS systems generally performed acceptably, with minor interruptions.
  • Maintenance was labor-intensive, compounded by equipment delivery delays, lack of technical support, and poor equipment quality.

Conclusions:

  • The expansion of VFS systems for community or school fluoridation is not recommended in their current state.
  • Extensive laboratory testing, research and development for VFS unit improvement, and establishment of a robust distribution and support network are necessary.