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Detection of the amoeba Entamoeba gingivalis in periodontal pockets

AutorBonner, Mark; Gironès, Núria ; Fresno, Manuel ; Santi-Rocca, Jullien
Fecha de publicación2014
EditorEDP Sciences
CitaciónParasite 21 (2014)
ResumenPeriodontitis is a public health issue, being one of the most prevalent diseases worldwide. However, the aetiology of the disease is still unclear: genetics of patients cannot explain the dispersed or isolated localisation of gingival pockets, while bacteria-based models are insufficient to distinguish gingivitis and periodontitis. The possible role of parasites in the establishment of periodontitis has been poorly studied until now. The aim of this project was to study a potential link between colonisation of gingival crevices by the amoeba Entamoeba gingivalis and periodontitis. In eight different dental clinics in France, samples were taken in periodontal pockets (72) or healthy sites (33), and submitted to microscopic observation and molecular identification by PCR with a new set of primers designed to specifically detect E. gingivalis. This blind sample analysis showed the strong sensitivity of PCR compared with clinical diagnosis (58/72 = 81%), and microscopy (51/65 = 78%). The results of this work show that the parasites detected by microscopy mainly - if not exclusively - belong to the species E. gingivalis and that the presence of the parasite is correlated with periodontitis. © M. Bonner et al., published by EDP Sciences, 2014.
Identificadoresdoi: 10.1051/parasite/2014029
issn: 1776-1042
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