Microbial complexes in supragingival plaque
- PMID: 18402605
- DOI: 10.1111/j.1399-302X.2007.00411.x
Microbial complexes in supragingival plaque
Abstract
Background/aims: To examine microbial communities in supragingival biofilm samples.
Methods: Supragingival plaque samples were taken from 187 subjects at baseline (n = 4745). Fifty-five subjects provided supragingival plaque samples at 1-7 days after professional tooth cleaning (n = 1456); 93 subjects provided 8044 samples between 3 and 24 months post-therapy. All samples were individually analyzed for their content of 40 bacterial species using checkerboard DNA-DNA hybridization. Microbial associations among species were sought using cluster analysis and community ordination techniques for the three groups separately.
Results: Six complexes were formed for the baseline samples. Similar complexes were formed for the samples taken 3-24 months post-therapy. However, distinct changes were observed in microbial communities in samples taken during the 7 days of plaque redevelopment. The complexes related to clinical parameters of periodontal disease.
Conclusion: There were specific microbial complexes in supragingival plaque that were similar to those found in subgingival plaque samples with a few minor differences. The relation of previously unclustered taxa to the complexes was also described.
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