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Related Experiment Videos

Composite resins with a condensable inorganic phase

L Ehrnford

    Journal of Dental Research
    |October 1, 1981
    PubMed
    Summary

    New porous glass fiber networks can be created for dental composites. A condensation technique allows for high-viscosity resins and improved finishability after curing.

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    [Polishing of amalgam].

    Tandlakartidningen·1982

    Area of Science:

    • Materials Science
    • Biomaterials Engineering
    • Dental Materials

    Background:

    • Traditional dental composites often face limitations in achieving optimal mechanical properties and handling characteristics.
    • The development of novel filler materials is crucial for enhancing the performance of dental restorative materials.

    Purpose of the Study:

    • To develop a novel reinforcing filler with open porosity using sintered glass fibers for dental composite applications.
    • To investigate the use of a condensation technique for packing these fillers and its impact on resin impregnation and composite properties.

    Main Methods:

    • Preparation of three-dimensional networks of extremely fine sintered glass fibers.
    • Impregnation of the porous filler network with monomers or use in a putty-type composite.
    • Application of a condensation technique, analogous to dental amalgam condensation, to achieve close particle contact.

    Main Results:

    • The condensation technique successfully facilitated the use of high-viscosity liquid resins.
    • The technique minimized the incorporation of internal air voids during composite fabrication.
    • The resulting condensed composite resins exhibited excellent finishability after the curing process.

    Conclusions:

    • Porous, three-dimensional glass fiber networks serve as effective reinforcing fillers for dental composites.
    • The novel condensation technique offers a viable method for creating high-performance composites with improved handling and aesthetics.
    • This approach holds promise for advancing the development of next-generation dental restorative materials.

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