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  • Regional variation in root dentinal tubule infection by Streptococcus gordonii

    Author(s)
    Love, RM
    Griffith University Author(s)
    Love, Robert M.
    Year published
    1996
    Metadata
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    Abstract
    The purpose of this study was to investigate the pattern of bacterial invasion of dentinal tubules at different regions in human roots. Specimens were obtained from single-rooted teeth that had their root canals prepared in a standard manner. Roots were then sectioned longitudinally through the canals and the resulting specimens chemically treated to remove the smear layers. Specimens were immersed in a suspension of Streptococcus gordonii for 3 weeks and then prepared for histological analysis. Sections from the cervical, midroot, and apical areas were examined. The pattern of bacterial infection of the cervical and midroot ...
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    The purpose of this study was to investigate the pattern of bacterial invasion of dentinal tubules at different regions in human roots. Specimens were obtained from single-rooted teeth that had their root canals prepared in a standard manner. Roots were then sectioned longitudinally through the canals and the resulting specimens chemically treated to remove the smear layers. Specimens were immersed in a suspension of Streptococcus gordonii for 3 weeks and then prepared for histological analysis. Sections from the cervical, midroot, and apical areas were examined. The pattern of bacterial infection of the cervical and midroot areas was similar, characterized as a heavy infection with bacteria penetrating as deep as 200 μm. Invasion of the apical dentin was significantly different, with a mild infection and maximum penetration of 60 μm.
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    Journal Title
    Journal of Endodontics
    Volume
    22
    Issue
    6
    DOI
    https://doi.org/10.1016/S0099-2399(96)80261-5
    Subject
    Dentistry
    Dentistry not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/345733
    Collection
    • Journal articles

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