Cavity vs. Stain: How to Tell the Difference

Dark spots on teeth can be cavities or stains. Learn how to tell the difference, when to see a dentist, and what treatment you may need.

1 min readMedically reviewed contentLast updated April 14, 2026

Cavity vs. Stain

Dark spots on teeth can be cavities or stains. Learn how to tell the difference, when to see a dentist, and what treatment you may need.

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What is cavity vs. stain?

Dark spots on teeth can be cavities or stains. Learn how to tell the difference, when to see a dentist, and what treatment you may need.

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