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Plos One : Oral Microbiome of Deep and Shallow Dental Pockets in Chronic Periodontitis, Volume 8

By Burne, Robert, A.

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Book Id: WPLBN0003964247
Format Type: PDF eBook :
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Reproduction Date: 2015

Title: Plos One : Oral Microbiome of Deep and Shallow Dental Pockets in Chronic Periodontitis, Volume 8  
Author: Burne, Robert, A.
Volume: Volume 8
Language: English
Subject: Journals, Science, Medical Science
Collections: Periodicals: Journal and Magazine Collection (Contemporary)
Publication Date:
Publisher: Plos


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Burne, R. A. (n.d.). Plos One : Oral Microbiome of Deep and Shallow Dental Pockets in Chronic Periodontitis, Volume 8. Retrieved from

Description : We examined the subgingival bacterial biodiversity in untreated chronic periodontitis patients by sequencing 16S rRNA genes. The primary purpose of the study was to compare the oral microbiome in deep (diseased) and shallow (healthy) sites. A secondary purpose was to evaluate the influences of smoking, race and dental caries on this relationship. A total of 88 subjects from two clinics were recruited. Paired subgingival plaque samples were taken from each subject, one from a probing site depth .5 mm (deep site) and the other from a probing site depth #3mm (shallow site). A universal primer set was designed to amplify the V4–V6 region for oral microbial 16S rRNA sequences. Differences in genera and species attributable to deep and shallow sites were determined by statistical analysis using a two-part model and false discovery rate. Fifty-one of 170 genera and 200 of 746 species were found significantly different in abundances between shallow and deep sites. Besides previously identified periodontal disease-associated bacterial species, additional species were found markedly changed in diseased sites. Cluster analysis revealed that the microbiome difference between deep and shallow sites was influenced by patient-level effects such as clinic location, race and smoking. The differences between clinic locations may be influenced by racial distribution, in that all of the African Americans subjects were seen at the same clinic. Our results suggested that there were influences from the microbiome for caries and periodontal disease and these influences are independent.


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