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Semi-Automated Planimetric Quantification of Dental Plaque Using an Intraoral Fluorescence Camera
Published on: January 27, 2023
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How the public's knowledge, attitudes, and practice intersect with scientific evidence about fluoride
Christine Till1, Jana El-Sabbagh1, Carly Goodman1
1Faculty of Health, York University, Toronto, ON, Canada.
Summary
Community water fluoridation offers modest dental benefits but raises safety concerns. Public opinion is divided, with many prioritizing potential health risks over cavity prevention, highlighting a need for clearer communication on fluoride exposure.
Area of Science:
- Public Health
- Environmental Health
- Toxicology
Background:
- Community water fluoridation has been a long-standing public health strategy for dental caries reduction.
- Recent evidence suggests more modest benefits of water fluoridation than previously thought.
- Growing concerns exist regarding enamel fluorosis and potential health effects of fluoride exposure.
Purpose of the Study:
- To discuss the historical context and current evidence on community water fluoridation effectiveness and safety.
- To assess public knowledge, perceptions, and support for community water fluoridation.
- To examine fluoride use practices among young children.
Main Methods:
- Review of historical and current scientific literature on systemic fluoride effectiveness and safety.
- Conducting a survey of 8011 adults in Canada and the U.S. on fluoride knowledge and perceptions.
- Analysis of survey data regarding public support, opposition, and trust in officials related to water fluoridation.
Main Results:
- Only 60% of respondents correctly identified the purpose of water fluoridation; knowledge varied by demographics.
- Public support for community water fluoridation was mixed (51% support, 27% oppose, 25% neutral), driven by safety and freedom concerns.
- Participants prioritized potential health risks (e.g., reduced IQ) over modest dental benefits, and many parents misused fluoride toothpaste for children.
Conclusions:
- Public views on community water fluoridation are divided, with significant knowledge gaps regarding its benefits and risks.
- Safety concerns and perceived personal freedom violations are key drivers of opposition to water fluoridation.
- There is a need for evidence-based communication to address public concerns and improve understanding of fluoride use, particularly concerning children.
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