Evidence map›Paper›PMID 28198980›Full record

ArticleJournal of applied oral science : revista FOB

Influence of glycemic control on the levels of subgingival periodontal pathogens in patients with generalized chronic periodontitis and type 2 diabetes.

Tamires Szeremeske Miranda, Magda Feres, Belén Retamal-Valdés, Paula Juliana Perez-Chaparro, Suellen Silva Maciel, Poliana Mendes Duarte

Abstract readEvaluation Study
In one paragraph

Article in Journal of applied oral science : revista FOB. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
–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

28 citing papers in PubMed.

  1. Trial
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  4. IsGut microbes · 2026
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  7. Frontiers in dental medicine · 2025
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  12. The Relationship Between the Growth ofReports of biochemistry & molecular biology · 2024
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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

6 authors.

Tamires Szeremeske MirandaUniversidade Guarulhos, Centro de Pós-Graduação e Pesquisa, Guarulhos, SP, Brasil.
Magda FeresUniversidade Guarulhos, Centro de Pós-Graduação e Pesquisa, Guarulhos, SP, Brasil.
Belén Retamal-ValdésUniversidade Guarulhos, Centro de Pós-Graduação e Pesquisa, Guarulhos, SP, Brasil.
Paula Juliana Perez-ChaparroUniversidade Guarulhos, Centro de Pós-Graduação e Pesquisa, Guarulhos, SP, Brasil.
Suellen Silva MacielUniversidade Guarulhos, Centro de Pós-Graduação e Pesquisa, Guarulhos, SP, Brasil.
Poliana Mendes DuarteUniversidade Guarulhos, Centro de Pós-Graduação e Pesquisa, Guarulhos, SP, Brasil.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThis study evaluated the influence of glycemic control on the levels and frequency of subgingival periodontal pathogens in patients with type 2 diabetes mellitus (DM) and generalized chronic periodontitis (ChP). MATERIAL AND

methodsFifty-six patients with generalized ChP and type 2 DM were assigned according to the levels of glycated hemoglobin (HbA1c) into one of the following groups: HbA1c<8% (n=28) or HbA1c≥8% (n=28). Three subgingival biofilm samples from sites with probing depth (PD)<5 mm and three samples from sites with PD≥5 mm were analyzed by quantitative Polymerase Chain Reaction (PCR) for the presence and levels of Porphyromonas gingivalis, Tannerella forsythia, Treponema denticola, Eubacterium nodatum, Parvimona micra, Fusobacterium nucleatum ssp. and Prevotella intermedia.

resultsThe mean counts of F. nucleatum ssp. were statistically significantly higher in the sites with PD≥5 mm of the HbA1c≥8% group (p<0.05). Frequencies of detection of T. forsythia, E. nodatum, P. micra and F. nucleatum ssp. were all higher in the sites with PD≥5 mm of the patients with HbA1c≥8%, compared with those of patients with HbA1c<8% (p<0.05). Frequency of detection of P. intermedia was higher in the sites with PD<5 mm of the patients with HbA1c≥8% than those of the patients with HbA1c<8% (p<0.05).

conclusionsPoor glycemic control, as indicated by HbA1c≥8%, is associated with increased levels and frequencies of periodontal pathogens in the subgingival biofilm of subjects with type 2 DM and ChP.

Indexed as

AdultBacterial LoadBiofilmsBlood GlucoseChronic PeriodontitisColony Count, MicrobialDental PlaqueDiabetes Mellitus, Type 2FemaleGingivaGram-Negative BacteriaHumansHyperglycemiaMaleMiddle AgedReal-Time Polymerase Chain ReactionBlood Glucose

Identifiers

PMID28198980
PMCPMC5289404

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Registered trials

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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.