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Erschienen in: Clinical Oral Investigations 3/2018

11.10.2017 | Original Article

Endodontic infections increase leukocyte and lymphocyte levels in the blood

verfasst von: Renata Oliveira Samuel, João Eduardo Gomes-Filho, Mariane Maffei Azuma, Dóris Hissako Sumida, Sandra Helena Penha de Oliveira, Fernando Yamamoto Chiba, Suely Regina Mogami Bomfim, Paulo César Ciarlini, Luis Gustavo Narciso, Luciano Tavares Angelo Cintra

Erschienen in: Clinical Oral Investigations | Ausgabe 3/2018

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Abstract

Objectives

The aim of this study was to determine whether the presence of single or multiple apical periodontitis (AP) alters blood cell counts and cytokine production.

Material and methods

Thirty rats were divided into three groups: a control group comprising rats without AP, a group called 1AP comprising rats with AP in one tooth, and a group called 4AP comprising rats with AP in four teeth. Endodontic infection was induced by pulp exposure of the first right maxillary molar in the 1AP group or by exposing the first and second right maxillary and mandibular molars in the 4AP group. A blood count and cytokine levels were obtained 30 days after infection by collecting blood by cardiac puncture. The maxillae were dissected and stained with hematoxylin and eosin to evaluate the inflammatory infiltrate. The data were tabulated and subjected to statistical analysis (P < 0.05).

Results

Histological analysis showed a predominance of mononuclear inflammatory cells. In blood, significant increase of leukocytes, lymphocytes, and tumor necrosis factor alpha (TNF-α) in 4AP compared with the control and 1AP groups (P < 0.05) was observed. In addition, significant decrease of interleukin-4 (IL-4) in 1AP and 4AP groups compared with the control was observed (P < 0.05).

Conclusions

In the rat model, the presence of multiple AP can affect health by increasing lymphocyte and TNF-α levels in the blood.

Clinical relevance

The presence of endodontic infections can interfere with the blood profile, altering systemic health.
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Metadaten
Titel
Endodontic infections increase leukocyte and lymphocyte levels in the blood
verfasst von
Renata Oliveira Samuel
João Eduardo Gomes-Filho
Mariane Maffei Azuma
Dóris Hissako Sumida
Sandra Helena Penha de Oliveira
Fernando Yamamoto Chiba
Suely Regina Mogami Bomfim
Paulo César Ciarlini
Luis Gustavo Narciso
Luciano Tavares Angelo Cintra
Publikationsdatum
11.10.2017
Verlag
Springer Berlin Heidelberg
Erschienen in
Clinical Oral Investigations / Ausgabe 3/2018
Print ISSN: 1432-6981
Elektronische ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-017-2222-z

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