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    Implications of underperforming light energy delivery for posterior composite: insights into delivered radiant exposure, degradation characteristics, and biofilm formation.

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    Author
    Maktabi, Haifa
    Advisor
    Melo, Mary Anne
    Date
    2018
    Type
    dissertation
    
    Metadata
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    Abstract
    Poor curing of composites due to incorrect position of a curing unit may trigger a negative pathway of events related to the bacterial growth-stimulating effect of released methacrylate monomers. An increased bacterial adhesion and biofilm formation as a result of incomplete polymerization may contribute to premature failure of posterior composite via secondary caries formation. The objectives of each chapter are: 1) to review the literature concerning the light curing process and implications for failures on posterior composites (chapter 1), 2) to investigate in vitro how the variations on light curing tip placement and irradiance exposure can impact the degree of conversion of conventional 2mm-increment composite and S. mutans biofilm formation (chapter 2). In summary, this set of studies support the importance of proper light curing for an acceptable clinical performance of posterior composites.
    Description
    University of Maryland, Baltimore. Biomedical Sciences-Dental School. M.S. 2018
    Keyword
    oral biofilm
    photopolymerization
    Biofilms
    Composite Resins
    Light-Curing of Dental Adhesives--methods
    Identifier to cite or link to this item
    http://hdl.handle.net/10713/8010
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    Theses and Dissertations School of Dentistry
    Theses and Dissertations All Schools

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