Study on canine periodontal disease as zoonosis

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The objective of the present study was to determine whether dog periodontal diseases are zoonotic and clarified the relationship between periodontal and systemic diseases. Oral swab samples were collected from dogs kept as family pets. Polymerase chain reaction was used to detect the presence of periodontopathic bacterial strains—10 from humans and 1 from dogs. P. gulae was detected in nearly all of the 100 or more dogs that were analyzed. By analyzing a fimbrial gene (fimA) sequence, we identified 3 types of P. gulae: type-A, type-B, and type-C. Type-C was the most virulent. A correlation between P. gulae type-C and cardiovascular disease was found by investigating the association between periodontal and systemic diseases.