Document Detail


Porphyromonas gingivalis, Prevotella intermedia and Bacteroides forsythus in plaque subjacent to bridge pontics.
MedLine Citation:
PMID:  9565285     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This study examined the distribution of P. gingivalis, P. intermedia and B. forsythus in plaque on metallic and porcelain pontics adjacent to healthy and inflamed mucosa. Subpontic plaque was collected from 33 inflamed and 31 healthy sites. Plaque suspension was incubated with specific rabbit antisera to P. gingivalis (FDC 381), P. intermedia (ATCC 25261) and B. forsythus (FDC 335), and the labelled cells disclosed with fluorescein-labelled goat-anti-rabbit IgG by indirect immunofluorescence microscopy. Mean proportions of P. gingivalis, P. intermedia, and B. forsythus at inflamed sites were 0.60+/-0.75, 2.48+/-2.28, and 0.44+/-0.64% respectively, and at healthy sites 0.21+/-0.43, 1.27+/-1.05, and 0.15+/-0.18% respectively. These differences were statistically significant. Almost all sites were positive for P. intermedia, whereas only 12/31 healthy and 21/33 inflamed sites were positive for P. gingivalis. 18/31 healthy and 28/33 inflamed sites were positive for B. forsythus. P. intermedia was recovered in higher proportions from metallic pontics adjacent to inflamed sites (MI) than healthy sites (MH) or porcelain pontics next to inflamed (PI) or healthy sites (PH). P. gingivalis is was recovered in higher proportions from MI than PH. We conclude that both the nature of the pontic material and the health status of the mucosa affect the composition of the associated microbiota.
Authors:
J C Wang; C H Lai; M A Listgarten
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of clinical periodontology     Volume:  25     ISSN:  0303-6979     ISO Abbreviation:  J. Clin. Periodontol.     Publication Date:  1998 Apr 
Date Detail:
Created Date:  1998-05-27     Completed Date:  1998-05-27     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0425123     Medline TA:  J Clin Periodontol     Country:  DENMARK    
Other Details:
Languages:  eng     Pagination:  330-3     Citation Subset:  D; IM    
Affiliation:
Department of Prosthodontics, School of Dentistry, Kaohsiung Medical College, Taiwan.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Aged, 80 and over
Analysis of Variance
Animals
Antibodies, Bacterial / analysis
Antigens, Bacterial
Bacteroides / isolation & purification*
Dental Plaque / microbiology*
Dental Porcelain
Denture, Partial, Fixed / microbiology*
Female
Fluorescent Antibody Technique, Indirect
Gingivitis / microbiology
Goats
Humans
Male
Metals
Middle Aged
Mouth Mucosa / microbiology
Porphyromonas gingivalis / isolation & purification*
Prevotella intermedia / isolation & purification*
Rabbits
Chemical
Reg. No./Substance:
0/Antibodies, Bacterial; 0/Antigens, Bacterial; 0/Metals; 12001-21-7/Dental Porcelain

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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