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[Effect of food on fluoride bioavailability]
Zeitschrift Fur Stomatologie (1984)
|November 1, 1989
Summary
Milk reduces fluoride bioavailability, but solid food intake can counteract this effect. Consuming food with fluoride enhances its absorption and prolonged availability, potentially preventing tooth decay.
Area of Science:
- Biochemistry
- Nutritional Science
- Dental Research
Context:
- Fluoride (F) is crucial for dental health, but its absorption can be influenced by dietary factors.
- Milk and dairy products are known to decrease fluoride bioavailability.
- The interaction between food, fluoride, and gastrointestinal absorption is complex.
Purpose:
- To investigate the impact of food, particularly milk and solid food, on fluoride bioavailability.
- To understand the mechanisms behind altered fluoride absorption and utilization.
- To explore the implications of these interactions for dental health and fluoride supplementation strategies.
Summary:
- Fluoride bioavailability is primarily reduced by milk and dairy products due to fluoride binding in curdled milk.
- Ingestion of solid food concurrently with fluoride can mitigate milk's inhibitory effect and enhance fluoride extraction from insoluble compounds like calcium fluoride (CaF2).
- Simultaneous intake of fluoride and food leads to lower peak serum fluoride levels but sustained concentrations, potentially reducing enamel mottling risk and increasing salivary fluoride for caries prevention.
Impact:
- Findings suggest that the timing and composition of meals can significantly influence the effectiveness of fluoride for dental health.
- Understanding these dietary interactions can optimize fluoride supplementation protocols to maximize caries prevention.
- This research highlights the importance of considering food matrices when assessing fluoride efficacy and safety.