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Diet Soda vs. Regular Soda

by Linh Cao-Chan, DDS on 11/01/15

I've talked quite a bit about soda in the past. Soda can be very acidic and sugary, and they cause cavities by eroding the enamel and allowing bacteria to cause damage to the teeth. Some people drink diet soda instead, since at least there'd be no sugar. Well, a new research study shows that some diet sodas are worse in causing teeth erosion. The results showed that 5 out of 7 of the top erosive soft drinks were diet drinks. The top 3 were Sprite Zero (diet), Mountain Dew Voltage (regular), and Mellow Yellow Zero (diet). I was surprised too. There was no correlation between ingredients or pH to explain why some diet sodas are worse than regular ones. Regular Coke is more acidic than Diet Coke, yet it is less erosive than the diet version. There are ways to lessen the harm of drinking sodas. Drink quickly instead of sipping over hours, drink it cold, drink with a straw to minimize the exposure of teeth to the acid, and drink water or milk right after to decrease acidity of your mouth. Probably the best bet is to drink less frequently or cut out soda completely! For more information, click here.

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