Cited by 37Oral microbiology and periodontitis researchGut microbiota and healthDental Health and Care Utilization

The effects of nitrate on the oral microbiome: a systematic review investigating prebiotic potential

Open access
Moran, Siobhan P., Rosier, Bob T., Henriquez, Fiona L., Burleigh, Mia C.·2024·Journal of Oral Microbiology

Abstract

Background: ) has been suggested as a prebiotic for oral health. Evidence indicates dietary nitrate and nitrate supplements can increase the proportion of bacterial genera associated with positive oral health whilst reducing bacteria implicated in oral disease(s). In contrast, chlorhexidine-containing mouthwashes, which are commonly used to treat oral infections, promote dysbiosis of the natural microflora and may induce antimicrobial resistance. Methods: A systematic review of the literature was undertaken, surrounding the effects of nitrate on the oral microbiota. Results: = 5). Conclusions: More clinical trials are required to confirm the impact of nitrate on oral communities. However, these findings support the hypothesis that nitrate could be used as an oral health prebiotic. Future studies should investigate whether chlorhexidine-containing mouthwashes could be replaced or complemented by a nitrate-rich diet or nitrate supplementation.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1080/20002297.2024.2322228

Cites

59 of 59 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Antibiotics can disrupt the oral and gut microbiota responsible for reducing nitrate to nitrite, thereby impairing endogenous NO generation.

    “antibiotics can disrupt the oral and gut microbiota responsible for reducing nitrate to nitrite, thereby impairing endogenous NO generation [106,252,271].”

    From Dietary Nitrate-Rich Vegetables as Natural Modulators of Health: Mechanisms and Benefits in Ageing Populations (2026) · cites this paper as [106]

    The Introduction says oral bacteria reduce nitrate along the nitrate–nitrite–NO pathway and that prolonged chlorhexidine mouthwash use can displace oral nitrate-reducing species. It does not say that antibiotics disrupt those bacteria, address disruption of gut nitrate-reducing microbiota, or directly establish impaired NO generation after antibiotic use. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Reduced NOS activity and bioavailability, as well as alterations to the oral microbiome, can impair nitrate metabolism; oxidative stress accelerates NO degradation.

    “Reduced NOS activity and bioavailability, as well as alterations to the oral microbiome, can impair nitrate metabolism. Meanwhile, oxidative stress accelerates NO degradation [101,105,106,107].”

    From Dietary Nitrate-Rich Vegetables as Natural Modulators of Health: Mechanisms and Benefits in Ageing Populations (2026) · cites this paper as [106]

    The citation is attached to the sentence about oxidative stress accelerating NO degradation. The Introduction describes NOS-mediated NO production and oral-bacterial nitrate reduction, but the passages found for oxidative stress, reactive oxygen species, and NO degradation do not address that mechanism. (LLM, conf=0.72)

    Experimental — accuracy not yet measured
  • The timing of optimal intake may affect the efficiency of oral bacterial nitrate reduction.

    “the timing of optimal intake may affect the efficiency of oral bacterial nitrate reduction [106,252,271,292].”

    From Dietary Nitrate-Rich Vegetables as Natural Modulators of Health: Mechanisms and Benefits in Ageing Populations (2026) · cites this paper as [106]

    The Introduction (page unavailable) explains that oral bacteria reduce dietary nitrate, but does not address whether the timing of intake affects how efficiently they do so. Searches for intake timing, time of day, and nitrate-reducing capacity found no passage in our copy that evaluates that relationship. (LLM, conf=0.74)

    Experimental — accuracy not yet measured
  • Highly processed beetroot products may exhibit reduced nitrate stability and diminished physiological impact.

    “highly processed beetroot products may exhibit reduced nitrate stability and diminished physiological impact [106,252,271,292].”

    From Dietary Nitrate-Rich Vegetables as Natural Modulators of Health: Mechanisms and Benefits in Ageing Populations (2026) · cites this paper as [106]

    The Introduction identifies beetroot as a dietary nitrate source, and the Discussion ('NO3− and secondary findings'; page unavailable) reports blood-pressure benefits from beetroot juice. Neither passage addresses whether heavy processing reduces nitrate stability or physiological effects; searches for processed beetroot and for processing, storage, and nitrate stability found no passage that does. (LLM, conf=0.75)

    Experimental — accuracy not yet measured

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Moran, S. P., Rosier, B. T., Henriquez, F. L., & Burleigh, M. C.
Affiliations
  • University of the West of Scotland (GB)
  • Fundación para el Fomento de la Investigación Sanitaria y Biomédica de la Comunitat Valenciana (ES)
Corresponding author
Burleigh, Mia C.
Venue
Journal of Oral Microbiology
Published
2024-02-27
Volume
16
Issue
1
Pages
2322228-2322228
ISSN
2000-2297 (ISSN-L)
OpenAlex
W4392200614
Cited by
37
References
59
Citations by year
2026: 21 · 2025: 13 · 2024: 3
FWCI
3.00
Type
journal article
Language
en
Open access
Locations
  • Journal of Oral Microbiology (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • The UWS Academic Portal (University of the West of Scotland) (submittedVersion, cc-by-nc)
  • Strathprints: The University of Strathclyde institutional repository (University of Strathclyde) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
received no external funding
Topics
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Dentistry › Periodontics › Dental Health and Care Utilization
Keywords
dietary nitrate, nitrate supplementation, oral microbiota, prebiotics, oral health, chlorhexidine mouthwash, dysbiosis, antimicrobial resistance, oral diseases, oral bacteria

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review