The frequency of Helicobacter pylori in dental plaque is possibly underestimated

Archives of Oral Biology
Negin AmiriAmirhooshang Alvandi

Abstract

The commonest bacteria, causing infection across the world is Helicobacter pylori, which colonizes the human stomach. This bacteria has also been detected in some extra-gastric ecological niches such as the oral cavity and water. However, the results of H. pylori detection in extra-gastric ecological niche are controversial. The improvement of the sensitivity and the specificity of the detection methods appear to be some of the main bottleneck issues in providing compelling evidence. The aim of this study was to detect the presence of this organism in dental plaque samples using an analytically sensitive and specific Polymerase Chain Reaction (PCR) as well as a new nucleic acid detection method termed the Loop-mediated Isothermal Amplification (LAMP). In a descriptive cross-sectional study 45 participants enrolled and dental plaque samples were collected from at least two teeth surfaces (one anterior and one posterior tooth) using a sterile periodontal curette. The DNA content was extracted from the samples and the presence of H. pylori was determined by PCR and LAMP reactions. The frequency of detection of H. pylori in the dental plaque samples were 44% (20/45), 66.67% (30/45) and 77.78% (35/45) using PCR, LAMP and positivity ...Continue Reading

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Citations

Nov 25, 2017·Experimental & Molecular Medicine·J K C Yee
Feb 9, 2016·World Journal of Gastrointestinal Pharmacology and Therapeutics·Spencer Luiz Marques Payão, Lucas Trevizani Rasmussen
Nov 29, 2017·Helicobacter·Michael DoulberisJannis Kountouras
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Nov 3, 2015·World Journal of Gastroenterology : WJG·Yao-Kuang WangDeng-Chyang Wu
Apr 27, 2021·Critical Reviews in Microbiology·Xiaojun MaoFabian Cieplik

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