Although the initial subgingival plaque community of each subject was unique in terms of diversity and composition, 10 common key species were found in the 6 Chinese individuals. These ten species of bacteria in the human subgingival plaque in the 6 healthy individuals may be key species which, to some extent, affect periodontal health.

plaque demonstrated columnar ar-rangement of morphologically distinct bacterial species from the tooth surface to the outer surface of the plaque (Listgarten et al. 1975). Subgingival plaque was frequently characterized by a zone of gram negative and/or motile species located adjacent to the epithelial lining of the pocket while gram positive

TS was better than B, but equivalent to MM 10. The effects of phenoxyethanol, chlorhexidine and a mixture of both on subgingival plaque samples from 44 patients with chronic periodontitis were investigated in vitro. At a concentration of 0.5 mg/ml, chlorhexidine inhibited the growth of all cultivable bacteria in all 44 samples while a comparable effect was achieved with phenoxyethanol only at a concentration of 20 mg/ml. Calcification times can vary from person to person, depending on their salivary pH and the amount of calcium and other substances in their saliva.

Subgingival plaque bacteria

Calcium phosphate The effects of minocycline on subgingival plaque samples from patients with chronic periodontitis were investigated in vitro. Minocycline concentrations as low as 1.0 microgram/ml inhibited 95.7% of the cultivable bacteria in the samples but 256 micrograms/ml was necessary to inhibit all of the cultivable bacteria in the samples. 2013-04-22 · Diabetes mellitus is a major risk factor for chronic periodontitis. We investigated the effects of type 2 diabetes on the subgingival plaque bacterial composition by applying culture-independent 16S rDNA sequencing to periodontal bacteria isolated from four groups of volunteers: non-diabetic subjects without periodontitis, non-diabetic subjects with periodontitis, type 2 diabetic patients If plaque remains on the tooth for a longer period of time, anaerobic bacteria begin to grow in this plaque. Subgingival biofilm[ The Subgingival Plaque Microbiome, Systemic Antibodies against Bacteria and Citrullinated Proteins following Periodontal Therapy.

Biofilm of bacteria Acinetobacter baumannii, the common causative agent of hospital · Antibiotic resistant bacteria inside a biofilm, 3D illustration. Realistic

The Human Oral Microbiome Sugar-free chewing gum helps neutralise plaque acids. reactions with other amino acids and also with certain end products of bacterial glucose metabolism. Effektiv borttagning av subgingival plack och tandsten runt implantat.

subgingival plaque bacteria are examined according to the degree of optical density analyzed using spectrophotometer with the wavelength of 570 nm. According to the observed calculation, the result could be seen in table 1 and 2. table 1. The mean of optical density 0.5–0.7% tetracycline gel toward subgingival plaque bacteria Treatment

Nine bacterial phyla were represented from clonal analysis.

At a concentration of 0.5 mg/ml, chlorhexidine inhibited the growth of all cultivable bacteria in all 44 samples while a comparable … 2010-03-01 2015-01-01 Although up to 99.9% of bacteria in the plaque samples were killed by a 6 h exposure to 8.0 μg/ml of minocycline, large numbers of viable bacteria remained. These results imply that adequate reductions in the numbers of viable subgingival plaque bacteria are unlikely to occur after exposure to minocycline at concentrations attainable in gin‐gival crevicular fluid after systemic administration. Comparison of three anaerobic culture techniques amd media for viable recovery of subgingival plaque bacteria.
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1975). Subgingival plaque was frequently characterized by a zone of gram negative and/or motile species located adjacent to the epithelial lining of the pocket while gram positive Subgingival plaque and serum samples were collected from study participants before (baseline) and 90 days after treatment to analyse the abundance of specific bacteria and evaluate anti-bacterial antibodies, C-reactive protein (CRP), tumour necrosis factor α (TNF-α), interleukin 6 (IL-6) and ACPA in serum.

The bacterial composition was analyzed by 16S rRNA gene amplicon sequencing using Ion PGM. In a recent molecular study, the most predominant bacterial species found in the subgingival plaque were Streptococcus spp., Fusobacterium, Leptotrichia buccalis, Corynebacterium matruchotii, S. oralis and S. mitis . We also identified the ten most common species that accounted for 58.8% of all clones. Bacterial profiles of subgingival plaques in periodontitis. Loesche WJ, Syed SA, Schmidt E, Morrison EC. In this report over 400 subgingival plaque samples taken from over 110 patients were examined microscopically and culturally for 30 bacterial parameters.
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Subgingival biofilm is plaque that is located under the gums. It occurs after the formation of the supragingival biofilm by a downward growth of the bacteria from above the gums to below. This plaque is mostly made up of anaerobic bacteria, meaning that these bacteria will only survive if there is no oxygen.

Emily Davison. 1,†,. In this report over 400 subgingival plaque samples taken from over 110 patients were examined microscopically and culturally for 30 bacterial parameters. Jul 8, 2016 Dental plaque is a complex biofilm or mass of bacteria.

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Bacterial profiles of subgingival plaques in periodontitis. Loesche WJ, Syed SA, Schmidt E, Morrison EC. In this report over 400 subgingival plaque samples taken from over 110 patients were examined microscopically and culturally for 30 bacterial parameters. The patients could be placed into six disease categories based upon clinical criteria.

Subgingival bacteria in Ghanaian adolescents with or without progression of attachment Subgingival plaque microbiota in Saudi Arabians after use of miswak av C Eklundh · 2010 — Periodontitis is caused by oral bacteria that colonize periodontal pockets and Molecular Analysis of the Subgingival Microbiota in Health and Disease. Applied and (PCR) analysis specific for human plaque Treponema spp. Journal of av G Dahlén — Dahlen G. Bacterial infections of the oral mucosa. Periodontology dental plaque of hospitalized patients with chronic lung diseases. Clin subgingival plaque. av T Honnér — and bacteria in subgingival biofilms. Method: subgingival biofilm.

The 2 most frequent isolates were Bacteroides ruminicola ss. brevis and a Selenomonas species, neither of which is a recognised periodontopathogen. The gel had a rapid effect on the viability of the bacteria in the plaque samples, the 90% kill time being 17 min or less for 90% of the samples (range less than 5 to 71 min). PMID: 2387913

Subgingival plaqu … Subgingival plaque samples were taken from the mesial aspect of each tooth in 185 subjects (mean age 51 +/- 16 years) with (n = 160) or without (n = 25) periodontitis. The presence and levels of 40 subgingival taxa were determined in 13,261 plaque samples using whole genomic DNA probes and checkerboard DNA-DNA hybridization. Although the initial subgingival plaque community of each subject was unique in terms of diversity and composition, 10 common key species were found in the 6 Chinese individuals. These ten species of bacteria in the human subgingival plaque in the 6 healthy individuals may be key species which, to some extent, affect periodontal health. This study evaluated the relative abundance of subgingival plaque-specific bacteria in the salivary microbiota and examined a relationship between the abundance and severity of periodontal condition in patients with periodontitis. Four samples (subgingival and supragingival plaques, Subgingival plaque samples from patients with chronic periodontitis were exposed to light from a 7.3 mW Helium/Neon laser for 30 s in the presence and absence of 50 micrograms/ml toluidine blue O as a photosensitizer.

(1994) found that P. intermedia was always detected in the presence of F. nucleatum in subgingival plaque samples from deep pockets in a group of adult periodontitis subjects. Similarly to the red complex, all species in the orange complex showed a significant association with increasing pocket depth. Subgingival biofilm is plaque that is located under the gums. It occurs after the formation of the supragingival biofilm by a downward growth of the bacteria from above the gums to below. This plaque is mostly made up of anaerobic bacteria, meaning that these bacteria will only survive if there is no oxygen. Se hela listan på en.wikipedia.org plaque demonstrated columnar ar-rangement of morphologically distinct bacterial species from the tooth surface to the outer surface of the plaque (Listgarten et al. 1975).