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    Impact of light intensity on the polymerization kinetics and network structure of model hydrophobic and hydrophilic methacrylate based dental adhesive resin

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    Abedin_JBiomedMaterResBApplBiomater_2016.pdf (1.509Mb)
    Issue Date
    2016-11
    Author
    Abedin, Farhana
    Ye, Qiang
    Camarda, Kyle
    Spencer, Paulette
    Publisher
    Wiley
    Type
    Article
    Article Version
    Scholarly/refereed, author accepted manuscript
    Rights
    This is the peer reviewed version of the following article: Abedin, F., Ye, Q., Camarda, K., & Spencer, P. (2016). Impact of light intensity on the polymerization kinetics and network structure of model hydrophobic and hydrophilic methacrylate based dental adhesive resin. Journal of Biomedical Materials Research. Part B, Applied Biomaterials, 104(8), 1666–1678. http://doi.org/10.1002/jbm.b.33517, which has been published in final form at https://dx.doi.org/10.1002%2Fjbm.b.33517. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving
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    Abstract
    The impact of light intensity on the degree of conversion (DC), rate of polymerization and network structure was investigated for hydrophobic and hydrophilic dental adhesive resins. Two and three component photoinitiating (PI) systems were used in this study. Low light intensities had a negative impact on the polymerization efficiency for the hydrophilic resin with 2 component PI system. Incorporation of iodonium salt in the hydrophilic resin significantly improved the polymerization efficiency of the HEMA/BisGMA system and led to a substantial DC, even at low light intensities. The results suggested that shorter polymer chains were formed in the presence of iodonium salt. It appears that there is little or no impact of light intensity on the polymer structure of the 2 component PI system. Light intensity has subtle impact on the polymer structure of the 3 component PI system. In the case of the hydrophobic resin, the polymer is so highly cross-linked that the presence of shorter chains for the 3 component PI system does not cause a decrease in the glass transition temperature (Tg) when compared to the 2 component PI system. For the hydrophilic resin, the presence of shorter polymer chains in the 3 component PI system reduces the Tg when compared with the corresponding 2 component PI system.
    URI
    http://hdl.handle.net/1808/24966
    DOI
    https://doi.org/10.1002/jbm.b.33517
    Collections
    • Bioengineering Program Scholarly Works [144]
    Citation
    Abedin, F., Ye, Q., Camarda, K., & Spencer, P. (2016). Impact of light intensity on the polymerization kinetics and network structure of model hydrophobic and hydrophilic methacrylate based dental adhesive resin. Journal of Biomedical Materials Research. Part B, Applied Biomaterials, 104(8), 1666–1678. http://doi.org/10.1002/jbm.b.33517

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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