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[Studies concerning the effect of sport drinks on hydroxyapatite dissolution]
M Yamamoto1, Y Miyazaki, K Miura
1Department of Pedodontics, Hiroshima University, School of Dentistry.
Shoni Shikagaku Zasshi. the Japanese Journal of Pedodontics
|January 1, 1991
Summary
Sport drinks can cause tooth erosion, with acidity (pH) being key initially and calcium content important for prolonged exposure. Sugar content did not significantly impact this erosive potential.
Area of Science:
- Dental Science
- Biochemistry
- Materials Science
Context:
- Sport drinks are widely consumed for hydration and energy replenishment.
- Concerns exist regarding their potential to cause dental erosion due to their chemical composition.
Purpose:
- To investigate the erosive potential of various sport drinks.
- To identify the specific properties of sport drinks that contribute to tooth erosion.
Summary:
- Analyzed three sport drinks, measuring their pH, sugar content (sucrose, glucose, fructose), and calcium ion release from hydroxyapatite in vitro.
- Found a negative correlation between sport drink pH and calcium release at early stages (1-5 minutes).
- Observed a negative correlation between calcium concentration and calcium release at later stages (10-20 minutes); sugar content did not affect hydroxyapatite dissolution.
Impact:
- Tooth erosion is primarily influenced by the sport drink's pH upon initial contact.
- Prolonged exposure to sport drinks increases the impact of their calcium concentration on tooth erosion.
- Findings inform strategies for mitigating sport drink-induced dental erosion.