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I think this is a misconception. It's not about the fountain vs canned or bottle soda. Carbon dioxide lowers the pH of a drink to 4.5, which is acidic. The aci
by Jiocus 5y ago
I think this is a misconception. It's not about the fountain vs canned or bottle soda.
Carbon dioxide lowers the pH of a drink to 4.5, which is acidic. The acid pH level erodes teeth and one shouldn't brush their teeth too soon after drinking soda because the enamel can be damaged. (Edit: acid on your teeth is always bad, brushing or not.)
Getting a soft drink from a fountain often means getting a straw for your cup as well. Using a straw to drink does help somewhat to bypass the soda from making contact with the teeth in the first place.
Use a straw, save a tooth.
- phonypc 5y agoThe pH of soft drinks is more typically in the range 2-4, due to the addition of various acids. And the negative effect of soft drinks on dental health is primarily from the action of acid-producing bacteria metabolizing sugar. Diet drinks aren't nearly as bad for your teeth, carbonated water barely has any effect.
- Jiocus 5y agoYou are right. Using a straw is helpful in all these cases.
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- deleted 5y ago[deleted]
- jack9 5y agoCanned soda ph2.5 and is a solution Fountain soda ph6.5 to ph8.5 and is a suspension The differences are stark.