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The presence of Helicobacter Pylori in dental plaque of children and their parents: is it related to their periodontal status and oral hygiene?
 

Type:  Articles

Pubblication date:  12/2011

Authors:  A. Tsami, P. Petropoulou, Y. Kafritsa*, Y. A. Mentis**, E. Roma-Giannikou*

Language:  English

Institution:  1Department of Periodontology, Dental School, Athens University, Athens, Greece *Associate Professor, Head of Post Graduate Orthodontic Program, Department of Dentistry, Maxillo-Facial Surgery and Orthodontics **Department of Laboratory Medical Microbiology, Hellenic Pasteur Institute, Athens, Greece

Publication:  European Journal of Paediatic Dentistry

Publisher:  Ariesdue Srl

Keywords:  Helicobacter pylory; Dental plaque; Children.

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Email:  atsami@dent.uoa.gr


Title:  The presence of Helicobacter Pylori in dental plaque of children and their parents: is it related to their periodontal status and oral hygiene?

Abstract:  Aim To investigate the possible presence of H. pylori in subgingival dental plaque of children with upper gastrointestinal symptoms, as well as of their parentsí and to detect any association between the presence of H. pylori and oral hygiene together with the periodontal status of children and their parents. Materials and methods The study comprised of 35 children with upper gastrointestinal symptoms, aged 4 to 14 years and 45 family members (mothers and/or fathers). Gastric biopsies were collected from all children for CLO-test, histology and culture. Serology was used to assess the H. pylori infection status of their parents. Before endoscopy, subgingival dental plaque from children and their parents were collected from 4 healthy and 4 diseased sites, and the clinical indices (gingival index, plaque index, bleeding on probing, pocket depth, loss of clinical attachment) after plaque collection were recorded. Statistics: The Chi-square test was performed to investigate possible differences between children and their parents and logistic regression analysis was used to evaluate the association of parental infection status with that of children. Results 15 out of 35 children (42.86%) were found H. pylori-positive. In 6 out of the 15 infected children (40%) H. pylori was also identified in their subgingival plaque samples, as well as in one among the 20 non infected children. The presence of H. pylori in dental plaque was significantly associated with its presence in the gastric antrum (p=0.0274). H. pylori was identified in the dental plaque of 7 mothers corresponding to children with positive PCR in their dental plaque and of 4 fathers (one corresponding with his child found H. pylori positive in dental plaque). Children who had H. pylori identified in their dental plaque belonged to families with members also having H. pylori in dental plaque. No significant relationship between periodontal clinical parameters and detection of H. pylori in dental plaque in both children and their parents was found. However, the presence of H. pylori in the subgingival plaque samples was significantly correlated with the parental diseased sites (p=0.02). Conclusion H. pylori was detected in subgingival dental plaque of children and their families, possibly acting as a "reservoir" contributing to the intra-familial spread. Efficient oral hygiene and healthy periodontal status could reduce this transmission.

 
 
 
 
 
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