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    • Goldman School of Dental Medicine
    • GSDM: Historical Theses and Dissertations (BU access only)
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    •   OpenBU
    • Goldman School of Dental Medicine
    • GSDM: Historical Theses and Dissertations (BU access only)
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    An initial investigation of the chemical composition and some physical characteristics of hydron R

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    Date Issued
    1979
    Author(s)
    Locke, Ben F.
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    https://hdl.handle.net/2144/41609
    Abstract
    Since its introduction into dentistry last year, there have been only a few articles published about Hydron[R], the root canal filling material, and none specifically related to the composition and physical characteristics of the material. The purpose of this study was to investigate the general composition of Hydron[R] and to investigate some basic properties of Hydron[R] which are related to the permanent success of a root canal filling material. The investigative methods included data derived from infrared spectroscopy, high performance liquid chromatography, linear and volumetric measurements, and water-soluble dye solutions. From the experimental methods in the study most of the basic components of Hydron[R] were identified and some physical characteristics were described. In attempting to correlate clinical observations from the experimental results, it appears that the polymeration of Hydron[R] in a moist environment like a root canal system could affect the final physical structure of the gel and also result in more residual impurities which could leach out of the hydrogel. Lastly, it appears that the final apical extent of Hydron[R] from the root canal would be difficult to manage since controlling the polymer during injection is not easy and controlling the amount of extension of polymer outside the terminus of the root canal during swelling is not easy.
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    PLEASE NOTE: This work is protected by copyright. Downloading is restricted to the BU community: please click Download and log in with a valid BU account to access. If you are the author of this work and would like to make it publicly available, please contact open-help@bu.edu.
     
    Colored photographs included.
     
    Thesis (M.Sc.D.)--Boston University, School of Graduate Dentistry, 1979 (Endodontics)
     
    Bibliography : leaves 146-154.
     
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    This work is protected by copyright. Downloading is restricted to the BU community. If you are the author of this work and would like to make it publicly available, please contact open-help@bu.edu.
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    • GSDM: Historical Theses and Dissertations (BU access only) [657]


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