Patient receiving a dental examination

Foods That Help or Harm Oral Health

What you eat matters, but how often teeth are exposed to sugars and acids also affects cavity and erosion risk.

Limit frequent sugar exposure

Bacteria use fermentable carbohydrates to produce acids that can contribute to tooth decay. Frequent sipping and snacking can extend those acid exposures.

Choose water often

Water does not feed cavity-causing bacteria and can help rinse the mouth after eating.

Build a balanced diet

Nutrient-rich foods that support overall health also support oral tissues. If you have specific nutritional or medical needs, follow advice from your healthcare team.


This article is general dental education and is not a diagnosis or a substitute for an examination. If you have pain, swelling, trauma, or another concern, contact a dental or medical professional as appropriate.

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