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  • Title: Development of a novel PCR method to comprehensively analyze salivary bacterial flora and its application to patients with odontogenic infections.
    Author: Akiyama T, Miyamoto H, Fukuda K, Sano N, Katagiri N, Shobuike T, Kukita A, Yamashita Y, Taniguchi H, Goto M.
    Journal: Oral Surg Oral Med Oral Pathol Oral Radiol Endod; 2010 May; 109(5):669-76. PubMed ID: 20171911.
    Abstract:
    OBJECTIVE: The objective of this study was to develop a novel polymerase chain reaction (PCR) method to comprehensively analyze salivary bacterial flora. STUDY DESIGN: The bacterial flora in the saliva of 10 healthy persons and 11 patients with odontogenic infections were examined using a DNA extraction method with a high level of cell destruction efficiency and a novel universal primer set to amplify approximately 580 bp of the 16S rDNA sequence. RESULTS: Streptococcus (54.5%), Neisseria (14.7%), Actinomyces (8.4%), Gemella (4.1%), Granulicatella (3.8%), and Prevotella (1.4%) were dominant in a total of 1655 clones examined from the saliva of the healthy subjects. The dominant genera differed among the patients with odontogenic infections (a total of 823 clones) and were entirely different from those of the healthy subjects. CONCLUSION: This novel comprehensive salivary bacterial flora analysis method may be a useful supportive method to identify causative agents of odontogenic infections.
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