Journal
JOURNAL OF CLINICAL PERIODONTOLOGY
Volume 41, Issue 1, Pages 1-10Publisher
WILEY
DOI: 10.1111/jcpe.12167
Keywords
bacteria; ecology; microbiology; periodontitis
Categories
Funding
- KU Leuven [OT 07/057]
- Research Foundation Flanders [G.0772.09, 1.5.153.10N]
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AimAlthough the complexity of the oral ecology and the ecological differences between health and disease are well accepted, a clear view on the dynamics in relation to disease is lacking. In this study, the prevalence and abundance of 20 key oral bacteria was assessed in health and disease and more importantly a closer look was given to the inter-bacterial relationships. Materials and methodsA blinded microbiological database was analysed in this cross-sectional, retrospective study. The database was constructed based on microbiological analyses of samples from 6308 patients, with gradations of periodontitis (healthy to periodontitis). Data concerning the abundance of 20 oral bacteria and probing pocket depth were provided. ResultsPorphyromonas gingivalis, Tannerella forsythia, Treponema denticola, Eubacterium nodatum, Porphyromonas micra and Porphyromonas intermedia showed a clear increase in abundance and prevalence with increasing pocket depth. Correlation matrices illustrated that almost all microorganisms were in one way correlated to other species and most of these correlations were significant. Several beneficial bacteria showed strong correlations with other beneficial bacteria. ConclusionKnowledge on bacterial correlations can pave the way for new treatment options focusing on restoring the shifted balance.
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