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Why do sugary foods cause pain in my teeth?

American Dental Association
American Dental Association
answer
Pain from sugary foods is not a normal occurrence. If you are experiencing this, it can be a result of sensitive teeth from receding gums. When your gums begin to recede, it can expose more sensitive areas of the teeth. Sugar collecting in that area can lead to tooth decay and cavities. 

If you are experiencing this pain, see your dentist. This can be an early indicator of gum disease. Timely treatment is important, as gum disease can be reversed and prevented when caught early, but more progressive stages of gum disease can be highly problematic.
RealAge
RealAge
answer
When you consume sugary foods and drinks such as cookies, cake, candy, and soda, you may feel pain in your teeth. That's because the acids from these foods, when broken down, can affect your mouth. Fermentable carbohydrates -- which usually make up sweet treats -- combine with the bacteria in your mouth to form acids. The acids in turn cause demineralization, a process in which the minerals inside the tooth enamel are dissolved. So if you sip soda throughout the day, the bacteria in your mouth may be constantly producing acid. In the short term, this can cause sensitivity. In the long term, it can lead to tooth decay.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.