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KMID : 1044820230530010069
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Journal of Periodontal & Implant Science
2023 Volume.53 No. 1 p.69 ~ p.84
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Microbial profiling of peri-implantitis compared to the periodontal microbiota in health and disease using 16S rRNA sequencing
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Kim Hyun-Joo
Ahn Dae-Hee
Yu Yeuni
Han Hye-Jung
Kim Si-Yeong
Joo Ji-Young
Chung Jin
Na Hee-Sam
Lee Ju-Youn
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Abstract
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Purpose: The objective of this study was to analyze the microbial profile of individuals with peri-implantitis (PI) compared to those of periodontally healthy (PH) subjects and periodontitis (PT) subjects using Illumina sequencing.
Methods: Buccal, supragingival, and subgingival plaque samples were collected from 109 subjects (PH: 30, PT: 49, and PI: 30). The V3-V4 region of 16S rRNA was sequenced and analyzed to profile the plaque microbiota.
Results: Microbial community diversity in the PI group was higher than in the other groups, and the 3 groups showed significantly separated clusters in the buccal samples.
The PI group showed different patterns of relative abundance from those in the PH and PT groups depending on the sampling site at both genus and phylum levels. In all samples, some bacterial species presented considerably higher relative abundances in the PI group than in the PH and PT groups, including Anaerotignum lactatifermentans, Bacteroides vulgatus, Faecalibacterium prausnitzii, Olsenella uli, Parasutterella excrementihominis, Prevotella buccae, Pseudoramibacter alactolyticus, Treponema parvum, and Slackia exigua. Network analysis identified that several well-known periodontal pathogens and newly recognized bacteria were closely correlated with each other.
Conclusions: The composition of the microbiota was considerably different in PI subjects compared to PH and PT subjects, and these results could shed light on the mechanisms involved in the development of PI.
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KEYWORD
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Dental plaque, High-throughput nucleotide sequencing, Microbiota, Peri-implantitis, Periodontitis
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