A rapid DNA probe method for detection of Porphyromonas gingivalis and Actinobacillus actinomycetemcomitants

Akiyo Komiya, Tetsuo Kato, Taneaki Nakagawa, Atsushi Saito, Junichi Takahashi, Satoru Yamada, Katsuji Okuda

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Background: The objective of the present study was to develop a rapid DNA probe method for the microbiological detection of periodontitis that can be used in dental clinics. By using the DNA probe, we also investigated the correlation between the occurrence of putative periodontopathic bacteria and clinical parameters. Methods: This rapid DNA probe method minimizes the use of a water bath for ordinary hybridization and washing in order to shorten the total reaction time. The detection process could be completed within 2 hours. In order to evaluate the clinical application of the DNA probe, subgingival plaque samples were taken from patients with periodontitis before initial therapy. After the therapy, the patients were microbiologically and clinically evaluated. Results: When the DNA probe method was compared with the culture method, the agreement was 88% for Porphyromonas gingivalis and 67% for Actinobacillus actinomycetemcomitans. A statistically significant association was found between the detection of P. gingivalis and probing depth, bleeding on probing (x2 test: P <0.001, P <0.05). A significant association was also shown between the detection of A. actinomycetemcomitans and probing depth in patients aged 35 or older (x2 test: P <0.001). The detection rate of A. actinomycetemcomitans was highest in teenagers. At shallow periodontal pocket sites (PD ≤3 mm) in teenagers, no P. gingivalis was found, while 22% of the sites harbored A. actinomycetemcomitans. After the therapy, the frequency of detection of P. gingivalis decreased significantly only in the clinically improved sites (x2 test: P <0.001). Conclusions: The rapid DNA probe method appears promising as an efficient tool for rapid clinical detection of periodontopathic bacteria.

Original languageEnglish
Pages (from-to)760-767
Number of pages8
JournalJournal of Periodontology
Volume71
Issue number5
Publication statusPublished - 2000 May
Externally publishedYes

Fingerprint

Actinobacillus
Porphyromonas gingivalis
DNA Probes
Aggregatibacter actinomycetemcomitans
Periodontitis
Periodontal Pocket
Bacteria
Dental Clinics
Baths
Therapeutics
Hemorrhage
Water

Keywords

  • Actinobacillus actinomycetemcomitans
  • DNA probes
  • Periodontitis/diagnosis
  • Periodontitis/microbiology
  • Porphyromonas gingivalis

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Komiya, A., Kato, T., Nakagawa, T., Saito, A., Takahashi, J., Yamada, S., & Okuda, K. (2000). A rapid DNA probe method for detection of Porphyromonas gingivalis and Actinobacillus actinomycetemcomitants. Journal of Periodontology, 71(5), 760-767.

A rapid DNA probe method for detection of Porphyromonas gingivalis and Actinobacillus actinomycetemcomitants. / Komiya, Akiyo; Kato, Tetsuo; Nakagawa, Taneaki; Saito, Atsushi; Takahashi, Junichi; Yamada, Satoru; Okuda, Katsuji.

In: Journal of Periodontology, Vol. 71, No. 5, 05.2000, p. 760-767.

Research output: Contribution to journalArticle

Komiya, A, Kato, T, Nakagawa, T, Saito, A, Takahashi, J, Yamada, S & Okuda, K 2000, 'A rapid DNA probe method for detection of Porphyromonas gingivalis and Actinobacillus actinomycetemcomitants', Journal of Periodontology, vol. 71, no. 5, pp. 760-767.
Komiya, Akiyo ; Kato, Tetsuo ; Nakagawa, Taneaki ; Saito, Atsushi ; Takahashi, Junichi ; Yamada, Satoru ; Okuda, Katsuji. / A rapid DNA probe method for detection of Porphyromonas gingivalis and Actinobacillus actinomycetemcomitants. In: Journal of Periodontology. 2000 ; Vol. 71, No. 5. pp. 760-767.
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