People with gum disease have fewer mouth bacteria that help convert nitrate to nitrite compared to people with healthy gums.

Evidence Quality Assessment

Claim Status

appropriately stated

Study Design Support

Design supports claim

Appropriate Language Strength

association

Can only show association/correlation

Assessment Explanation

The study design is observational and shows association between periodontitis and lower levels of nitrate-reducing bacteria. The language 'associated with' appropriately reflects the correlational nature of the findings.

Evidence from Studies

Supporting (1)

The blood pressure lowering effect of beetroot juice is impaired in periodontitis and recovered after periodontal treatment

Cohort Study

Human

2025 Jan 9

Contradicting (0)

No contradicting evidence found

Source Study

The blood pressure lowering effect of beetroot juice is impaired in periodontitis and recovered after periodontal treatment

Score: 38

DOI: 10.1038/s41522-024-00622-5

Similar Assertions

Treating gum disease helps increase beneficial bacteria in the gums but doesn't significantly change the bacteria on the tongue.

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Bacteria that help convert nitrate to nitrite are linked to healthier gums with less bleeding.

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After gum disease treatment, harmful bacteria decrease in both the gums and the tongue.

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Using mouthwash that kills mouth bacteria leads to higher levels of nitrate in both saliva and blood.

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Bacteria in the mouth help keep nitrite levels in the blood stable, which is shown by the fact that people with higher nitrite in their saliva also tend to have higher nitrite in their blood.

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