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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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    In vitro study of the caries inhibition properties from fluoride releasing materials

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    Date Issued
    1996
    Author(s)
    Harnsawas, Sujiraporn
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    https://hdl.handle.net/2144/41602
    Abstract
    Second caries around restorations is a major cause for their replacement. Restorative materials that release fluoride are assumed to inhibit marginal caries formation. The purpose of this study is to evaluate and compare the caries inhibition potential of resin ionomers vs. Fluoride releasing composites. Material tested included Group 1: Photac-Fil (ESPE), Group 2: Vitremer (3M), Group 3: Fuji II LC (GC), Group 4: Fluorocore (Caulk), Group 5: Heliomolar (Vivadent), Group 6: (Control) Z100 (3M). Standardized Class V cavities were prepared in the buccal or lingual aspects of 30 extracted permanent molars. The occlusal margins were placed in enamel and the gingival margins below the cementoenamel junction. Ten teeth were restored with each of the restorative materials. All treated teeth were coated with a layer of acid resistant varnish to within 1 mm. of the restorative margins. Specimens were thermocycled between 50 and 600C 300 times then cycled through an artificial caries challenge for five days. Teeth were then cut longitudinally through the restorations and thin sections ground to 100 [mu]m thickness. The sections were observed and photographed under polarized light microscopy and projected into a digitizing pad. Demineralized areas within 100 [mu]m from the restorative margm were quantified. [TRUNCATED]
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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.
     
    x, 67 leaves : col. ill.
     
    Thesis (MSD) --Boston University Henry M. Goldman School of Dental Medicine, 1996 (Pediatrics).
     
    Includes bibliographic references: leaves 63-67.
     
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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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