Evidence map›Paper›PMID 25814980›Full record

ArticleFrontiers in microbiology2015

Subgingival microbiota in health compared to periodontitis and the influence of smoking.

Anny J Camelo-Castillo, Alex Mira, Alex Pico, Luigi Nibali, Brian Henderson, Nikolaos Donos, Inmaculada Tomás

Abstract read
In one paragraph

Article in Frontiers in microbiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 130 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
130citing papers in PubMed, 4 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

130 citing papers in PubMed, 4 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Pooled it
  5. Trial
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  19. Altered Bacteria Abundance Is Associated With Outcomes in Head and Neck Squamous Cell Carcinoma.Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery · 2025
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70 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Anny J Camelo-CastilloDepartment of Health and Genomics, Centre for Advanced Research in Public Health, Fomento de la Investigación Sanitaria y Biomédica de la Comunitat Valenciana Foundation Valencia, Spain.
Alex MiraDepartment of Health and Genomics, Centre for Advanced Research in Public Health, Fomento de la Investigación Sanitaria y Biomédica de la Comunitat Valenciana Foundation Valencia, Spain.
Alex PicoOral Sciences Research Group, Special Needs Unit, School of Medicine and Dentistry, University of Santiago de Compostela Santiago, Spain.
Luigi NibaliPeriodontology Unit, Department of Clinical Research, University College London-Eastman Dental Institute London, UK.
Brian HendersonDepartment of Microbial Diseases, University College London-Eastman Dental Institute London, UK.
Nikolaos DonosPeriodontology Unit, Department of Clinical Research, University College London-Eastman Dental Institute London, UK.
Inmaculada TomásOral Sciences Research Group, Special Needs Unit, School of Medicine and Dentistry, University of Santiago de Compostela Santiago, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The etiology of periodontitis has traditionally been associated to a consortium of three bacterial species-the so-called "red-complex" of periodontal disease-which has been the target for most diagnostic and therapeutic strategies. However, other species have also been found to correlate with disease severity. In addition, the influence of smoking on periodontal microbiota is poorly understood. In the current manuscript, the composition of the subgingival microbiota in healthy individuals vs. patients with chronic periodontitis has been investigated using 16S pyrosequencing and the influence of smoking on periodontal composition has been examined. Subgingival bacterial communities were sampled from 82 patients: 22 non-smoking healthy controls, 28 non-smoking periodontal patients, and 32 smoking periodontal patients. Bacterial diversity was higher in periodontal patients than in healthy subjects, which could be interpreted as the consequence of a nutritionally richer environment or a reduced immune competence. Periodontal patients showed a significantly higher prevalence/relative abundance of "established" periopathogens but also other taxa whose role is not well-established and that should be targets for future research. These include Anaeroglobus, Bulleidia, Desulfobulbus, Filifactor, Mogibacterium, Phocaeicola, Schwartzia or TM7. The microbial community of smoking-associated periodontitis is less diverse and distinct from that of non-smokers, indicating that smoking has an influence on periodontal ecology. Interestingly, the high sequencing coverage allowed the detection at low proportions of periodontal pathogens in all healthy individuals, indicating that chronic periodontitis cannot be strictly considered an infectious disease but the outcome of a polymicrobial dysbiosis, where changes in the proportions of microbial consortia trigger the inflammatory and tissue-degradation responses of the host.

Indexed as

16S ribosomal RNAchronic periodontitisdental plaquemicrobiomeoral healthsmoking

Identifiers

PMID25814980
PMCPMC4356944

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.