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Grade C molar-incisor pattern periodontitis subgingival microbial profile before and after treatment

MPG-Autoren
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Velsko,  Irina Marie
Archaeogenetics, Max Planck Institute for the Science of Human History, Max Planck Society;

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Zitation

Velsko, I. M., Harrison, P., Chalmers, N., Barb, J., Huang, H., Aukhil, I., et al. (2020). Grade C molar-incisor pattern periodontitis subgingival microbial profile before and after treatment. Journal of oral microbiology, 12(1): 1814674, pp. 1-13. doi:10.1080/20002297.2020.1814674.


Zitierlink: https://hdl.handle.net/21.11116/0000-0007-3356-F
Zusammenfassung
AIM: This study evaluated the influence of periodontal therapy on the microbiological profile of individuals with Grade C Molar-Incisor Pattern Periodontitis (C/MIP).

METHODS: Fifty-three African-American participants between the ages of 5–25, diagnosed with C/MIP were included. Patients underwent full mouth mechanical debridement with systemic antibiotics (metronidazole 250 mg + amoxicillin 500 mg, tid, 7 days). Subgingival samples were collected from a diseased and a healthy site from each individual prior to treatment and at 3, 6, 12, 18 and 24 months after therapy from the same sites. Samples were subjected to a 16S rRNA gene based-microarray.

RESULTS: Treatment was effective in reducing the main clinical parameters of disease. Aggregatibacter actinomycetemcomitans (A.a.) was the strongest species associated with diseased sites. Other species associated with diseased sites were Treponema lecithinolyticum and Tannerella forsythia. Species associated with healthy sites were Rothia dentocariosa/mucilaginosa, Eubacterium yurii, Parvimonas micra, Veillonella spp., Selenomonas spp., and Streptococcus spp. Overall, treatment was effective in strongly reducing A.a. and other key pathogens, as well as increasing health-associated species. These changes were maintained for at least 6 months.

CONCLUSIONS:Treatment reduced putative disease-associated species, particularly A.a., and shifted the microbial profile to more closely resemble a healthy-site profile. (Clinicaltrials.gov registration #NCT01330719).