Cited by 28Oral microbiology and periodontitis researchDental Health and Care UtilizationGut microbiota and health

The Role of Oral Nitrate-Reducing Bacteria in the Prevention of Caries: A Review Related to Caries and Nitrate Metabolism

Open access
Feng, Jixian, Liu, Juan, Jiang, Mingyuan, Chen, Qianjing, Zhang, Yushan, Yang, Mingzhen, Zhai, Yuankun·2023·Caries Research

Abstract

Circulating nitrate is actively absorbed by salivary glands and secreted into the oral cavity, where it is reduced to nitrite by oral nitrate-reducing bacteria. This process has previously been considered harmful because nitrate and nitrite can promote the formation of potentially carcinogenic N-nitrosamines. However, recent studies have shown that nitrate may have other physiological functions, and it can serve as a precursor for the systemic production of nitric oxide (NO) and perform NO-like functions, such as promoting vasodilation, regulating metabolic diseases, alleviating senescence, and protecting the digestive system. Inside the oral cavity, NO is likely to inhibit sensitive species as part of the nonspecific oral immune system. Exogenous administration of nitrate can maintain a balance in the pH of saliva. Oral nitrate-reducing bacteria can control the progression of caries by metabolizing lactic acid and reducing its accumulation, which is beneficial to the homeostasis of the oral microecology. In the current manuscript, we reviewed nitrate-reducing bacteria and their nitrate-metabolizing functions during the development of caries. Furthermore, we listed the effects of probiotics and dietary modification, which may be a promising method to prevent the occurrence of caries. We believe that this review provides novel ideas for the prevention of caries and treatment in clinical settings.

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Crossref · 10.1159/000529162

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Authors
Feng, J., Liu, J., Jiang, M., Chen, Q., Zhang, Y., Yang, M., & Zhai, Y.
Affiliations
  • Henan University (CN)
  • Affiliated Hospital of Shandong University of Traditional Chinese Medicine (CN)
Venue
Caries Research
Publisher
S. Karger AG
Published
2023
Volume
57
Issue
2
Pages
119-132
ISSN
  • 0008-6568 (ISSN-L)
  • 1421-976X
OpenAlex
W4317037199
Cited by
28
References
100
Citations by year
2026: 10 · 2025: 11 · 2024: 7
FWCI
1.33
Type
journal article
Language
en
Open access
Locations
  • Caries Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • University of Rochester
  • Health Commission of Henan Province (Wjlx2020017)
  • Henan University
  • National Health Commission of the People's Republic of China
Topics
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Health Sciences › Dentistry › Periodontics › Dental Health and Care Utilization
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
dental caries prevention, nitrate metabolism, nitric oxide, nitrite, nitrosamines, salivary nitrate, lactic acid, probiotics, dietary change, oral immune system
MeSH terms
Bacteria, Dental Caries Susceptibility, Humans, Mouth, Nitrates, Nitric Oxide, Nitrites, Saliva

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