Cited by 40Oral microbiology and periodontitis researchDental Health and Care UtilizationOral Health Pathology and Treatment

An oral health optimized diet reduces the load of potential cariogenic and periodontal bacterial species in the supragingival oral plaque: A randomized controlled pilot study

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Tennert, Christian, Reinmuth, Ann‐Christin, Bremer, Katharina, Al‐Ahmad, Ali, Karygianni, Lamprini, Hellwig, Elmar, Vach, Kirstin, Ratka‐Krüger, Petra +2 more·2020·MicrobiologyOpen

Abstract

This study aimed to investigate the effects of an oral health optimized diet on the composition of the supragingival oral plaque in a randomized controlled trial. Participants of the standard diet group (n = 5) had a diet high in processed carbohydrates and did not change their dietary behavior during the observation. The healthy diet group (n = 9) had to change the diet after 2 weeks from a diet high in processed carbohydrates to a diet low in carbohydrates, rich in omega‐3 fatty acids, rich in vitamins C and D, antioxidants and fiber for 4 weeks. Saliva and supragingival plaque samples were taken at the end of week two and eight of the observation period to investigate the composition of microbiota in saliva and supragingival plaque. Data were subjected to an exploratory analysis to identify significant differences. Statistically significant differences were only found in the healthy diet group between the baseline (week 2) and the final sample (week 8) for specific species in plaque and saliva samples. A reduction of the total counts of Streptococcus mitis group, Granulicatella adiacens, Actinomyces spp., and Fusobacterium spp. was found in plaque samples of the healthy diet group. In saliva samples of the healthy diet group, the total counts of Actinomyces spp. and Capnocytophaga spp. decreased. A diet low in carbohydrates, rich in omega‐3 fatty acids, rich in vitamins C and D, and rich in fiber reduced Streptococcus mitis group, Granulicatella adiacens, Actinomyces spp., and Fusobacterium spp. in the supragingival plaque.

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  • Reduced consumption of processed carbohydrate significantly altered the proportions of microbes in supragingival plaque and salivary samples, reducing numbers of S mitis, Granulicatella adiacens, Actinomyces species, and Fusobacterium species.

    “a study by Woelber and Tennert26 found that reduced consumption of processed carbohydrate significantly altered the proportions of microbes in supragingival plaque and salivary samples, such that the numbers of S mitis, Granulicatella adiacens, Actinomyces species, and Fusobacterium species were reduced.”

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Authors
Tennert, C., Reinmuth, A., Bremer, K., Al‐Ahmad, A., Karygianni, L., Hellwig, E., Vach, K., Ratka‐Krüger, P., Wittmer, A., & Woelber, J. P.
Affiliations
  • University of Bern (CH)
  • University of Freiburg (DE)
  • University of Zurich (CH)
Corresponding author
Tennert, Christian
Venue
MicrobiologyOpen
Publisher
Wiley
Published
2020-05-17
Volume
9
Issue
8
Pages
e1056-e1056
ISSN
2045-8827 (ISSN-L)
OpenAlex
W3025716245
Cited by
40
References
41
Citations by year
2026: 4 · 2025: 2 · 2024: 13 · 2023: 9 · 2022: 6 · 2021: 6
FWCI
5.36
Type
journal article
Language
en
Open access
Locations
  • MicrobiologyOpen (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion, cc-by)
  • BORIS (University Library Bern) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion, cc-by)
  • Zurich Open Repository and Archive (University of Zurich)
Topics
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Health Sciences › Dentistry › Periodontics › Dental Health and Care Utilization
  • Health Sciences › Dentistry › Periodontics › Oral Health Pathology and Treatment
Keywords
supragingival plaque, oral microbiota, cariogenic bacteria, periodontal pathogens, Streptococcus mitis group, Granulicatella adiacens, Actinomyces, Fusobacterium, Capnocytophaga, low-carbohydrate diet, omega-3 fatty acids, dietary fiber, antioxidants, saliva microbiota
MeSH terms
Actinomyces, Antioxidants, Ascorbic Acid, Bacteria, Capnocytophaga, Dental Plaque, Diet, Diet Therapy, Dietary Carbohydrates, Dietary Fiber, Fusobacterium, Humans, Oral Health, Pilot Projects, Saliva, Vitamin D, Fatty Acids, Omega-3, Streptococcus mitis, Carnobacteriaceae

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