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Arch Oral Biol. 2012 Sep;57(9):1183-8. doi: 10.1016/j.archoralbio.2012.02.015. Epub 2012 Mar 13.

Distribution of periodontopathic bacterial species in dogs and their owners.

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  • 1Department of Pediatric Dentistry, Osaka University Graduate School of Dentistry, Suita, Osaka, Japan.

Abstract

OBJECTIVE:

Presently, a large number of individuals consider their companion animals as family members and have close contact with them in daily life. The purpose of the present study was to analyze the distribution of periodontopathic bacterial species in oral specimens taken from dogs and their owners.

DESIGN:

Dental plaque specimens were collected from 66 dogs and 81 members of 64 families who came to an animal clinic or dog training school in Okayama, Japan, in 2011. Bacterial DNA was extracted from each specimen and PCR analyses using primers specific for 11 periodontopathic species, Porphyromonas gingivalis, Porphyromonas gulae, Treponema denticola, Tannerella forsythia, Capnocytophaga ochracea, Capnocytophaga sputigena, Prevotella intermedia, Prevotella nigrescens, Aggregatibacter actinomycetemcomitans, Campylobacter rectus, and Eikenella corrodens were performed.

RESULTS:

P. gulae (71.2%), T. forsythia (77.3%), and C. rectus (66.7%) were frequently found in the dogs, whereas the detection rates of those species in humans were less frequent at 16.0%, 30.9%, and 21.0%, respectively. P. gulae was identified in 13 human subjects and each of their dogs was also positive for the species. Furthermore, E. corrodens and T. denticola in specimens obtained from dogs were correlated with their presence in specimens from owners who had close contact with them.

CONCLUSIONS:

These results suggest that several periodontopathic species could be transmitted between humans and their companion dogs, though the distribution of periodontopathic species in both is generally different.

Copyright © 2012 Elsevier Ltd. All rights reserved.

PMID:
22417880
[PubMed - indexed for MEDLINE]
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