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The ability of acidic liquids to erode tooth enamel is well known, but the effects of regular consumption of sports and energy drinks on tooth enamel has not been well studied. Investigators analyzed the physiochemical properties (fluoride content, pH, titratable acidity) of 13 sports and 9 energy drinks. They also measured the capacity of a subset of drinks to erode tooth enamel by immersing enamel specimens from extracted molars in 100 mL of the sample beverage for 15 minutes 4 times daily for 5 days. Each 15-minute cycle alternated with a 2-hour immersion in 100 mL of artificial saliva. Enamel samples were weighed before and after immersion cycles to calculate enamel weight loss.
Both energy and sports drinks had lower fluoride levels tha…