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I'm getting so many cavities, and I want to know how I can prevent them. I brush, use mouthwash, and floss.

Dentist, WebMD Medical Expert
American Academy of Cosmetic Dentistry

If you brush, use mouthwash, and floss, you should go over your technique and your diet with a dental professional. It could be that the acid content in your saliva is way too high. Surprisingly, food and drink items like sports drinks, diet colas, and exercise bars can contain a lot of acid and sugar, which both cause tooth decay.

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