| Scanning electron microscopy of bacteria in the apical part of root canals in permanent teeth with periapical lesions. | |
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MedLine Citation:
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PMID: 1810717 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The most apical 2 mm of the root canals of periapically diseased roots were examined for microorganisms by scanning electron microscopy (SEM). Bacteria in this area were observed in 10 out of 12 (83.3%) cases. The two remaining cases exhibited bacteria more coronally, with tissue remnants between the bacterial front and the apical foramen. Rod-shaped bacteria dominated, but filaments, spirochetes and cocci were also seen. Cocci and rods sometimes formed micro-colonies. Occasionally, cocci were seen attached to filaments forming "corn-cob"-like structures. Deposits resembling bacterial plaque were also found inside the root canal. SEM is useful for studying microbial topography of the apical root canal. |
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Authors:
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O Molven; I Olsen; K Kerekes |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Endodontics & dental traumatology Volume: 7 ISSN: 0109-2502 ISO Abbreviation: Endod Dent Traumatol Publication Date: 1991 Oct |
Date Detail:
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Created Date: 1992-06-04 Completed Date: 1992-06-04 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 8508054 Medline TA: Endod Dent Traumatol Country: DENMARK |
Other Details:
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Languages: eng Pagination: 226-9 Citation Subset: D |
Affiliation:
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Department of Cardiology and Enodontics, School of Dentistry, University of Bergen, Norway. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Bacteria
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isolation & purification Bacterial Infections / microbiology Bicuspid Colony Count, Microbial Dental Pulp Cavity / microbiology*, ultrastructure Humans Microscopy, Electron, Scanning Molar Periapical Diseases / microbiology* Tooth Root / microbiology*, ultrastructure |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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