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Does gingivitis cause bad breath? Question

Yes. Bad breath that lasts after brushing is a symptom of gingivitis and of periodontitis. The bacteria in plaque and tartar along and under the gumline cause the infection. Brushing cannot reach tartar below the gumline, so lasting bad breath with bleeding or swollen gums is a reason to see a dentist.

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What to know

  • Other gingivitis symptoms are bleeding, red or swollen gums and tenderness when chewing.
  • A professional cleaning removes tartar that brushing cannot.
  • An antimicrobial mouthwash can help, but it does not replace brushing and flossing.

Sources

  1. Cleveland Clinic: Gingivitis
  2. Cleveland Clinic: Periodontitis
  3. CDC: Gum (Periodontal) Disease

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