Cited by 205Oral microbiology and periodontitis researchGut microbiota and healthDental Health and Care Utilization

Resilience of the oral microbiome

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Wade, William G.·2021·Periodontology 2000

Abstract

The human mouth harbors a complex microbiota, the composition of which is potentially influenced by a wide range of factors, including the intake of food and drink, the availability of endogenous nutrients, the host immune system, drug treatments, and systemic diseases. Despite these possible influences, the oral microbiota is remarkably resilient, particularly in comparison with the microbiota of the large intestine. Diet, with the exception of excessive and/or frequent consumption of fermentable carbohydrate or supplementation with nitrate, has minimal impact on the composition of the oral bacterial community. The common oral diseases dental caries and the periodontal diseases is associated with modification of the oral microbiota primarily as a result of the ecological changes induced by excessive acid production and inflammation, respectively. Systemically-administered antimicrobials have only a small effect on the composition of the oral bacterial community, and while locally delivered antimicrobials can have some clinical benefits, the biofilm lifestyle of oral bacteria lends them substantial resistance to the agents used. Saliva plays an important role in oral microbial ecology, by supplying nutrients and providing protection against colonization by nonoral organisms. Dry mouth is one condition that has a major effect on the microbiota, resulting in increased colonization by opportunistic pathogens. Some systemic diseases do affect the oral microbiome, notably diabetes, in which raised levels of glucose in saliva and tissue impact on bacterial nutrition.

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Crossref · 10.1111/prd.12365

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Authors
Wade, W. G.
Affiliations
King's College London (GB)
Corresponding author
Wade, William G.
Venue
Periodontology 2000
Publisher
Wiley
Published
2021-03-10
Volume
86
Issue
1
Pages
113-122
ISSN
  • 0906-6713 (ISSN-L)
  • 1600-0757
OpenAlex
W3135217424
Cited by
205
References
122
Citations by year
2026: 33 · 2025: 52 · 2024: 38 · 2023: 40 · 2022: 34 · 2021: 8
FWCI
5.12
Type
journal article
Language
en
Open access
Locations
  • Periodontology 2000 (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Apollo (University of Cambridge) (submittedVersion, cc-by)
  • Research Portal (King's College London) (submittedVersion, other-oa)
  • Apollo
Funders
  • National Institutes of Health (DE016937)
  • National Institute of Dental and Craniofacial Research (DE-016937, R37DE016937)
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
oral microbiota, microbial resilience, dental caries, periodontal disease, antimicrobial resistance, biofilm, saliva, xerostomia, opportunistic pathogens, diabetes mellitus, host immune system, nitrate supplementation, oral bacterial communities
MeSH terms
Dental Caries, Humans, Mouth, Mouth Diseases, Saliva, Microbiota

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