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    Comparison of Setting Expansion of White MTA and Endosequence Root Repair Material Putty Fast Set

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    Author
    Ghiasi Afjeh, Seyedeh Pegah
    Advisor
    Chand, Priya
    Date
    2020
    Type
    dissertation
    
    Metadata
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    Abstract
    The purpose of root end filling material in endodontic surgery is to provide a seal to prevent the ingress and egress of bacterial toxins into the periapical area. One reason for the sealing ability of these materials is their expansion upon setting. The aim of this study was to compare the percent linear setting expansion of WMTA and ERRM putty fast set using a linear voltage displacement transducer (LVDT) under controlled temperature of 37° Celsius. Materials were prepared according to the manufacturer’s instructions and packed into the hollow hydrophilic porous tubing. Approximately 200 µL of HBSS was added to the porous tube in order to initiate the setting reaction. Expansion changes were measured until it appeared to have plateaued. ERRM putty showed a significantly greater mean percent expansion compared to the MTA (P≤0.005). MTA expanded an average of 0.109% (0.08%-0.20%) while ERRM putty expanded an average of 6.63% (2.93%-8.89%).
    Description
    2020
    Biomedical Sciences-Dental School
    University of Maryland, Baltimore
    M.S.
    Keyword
    EndoSequence root repair material
    white mineral trioxide aggregate (WMTA)
    Root Canal Filling Material--analysis
    Identifier to cite or link to this item
    http://hdl.handle.net/10713/13027
    Collections
    Theses and Dissertations School of Dentistry
    Theses and Dissertations All Schools

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