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Xie, D., Wu, W., Puckett, A., Farmer, B. and Mays, J. (2004) Novel Resin-Modified Glass-Ionomer Cements with Improved Flexural Strength and Ease of Handling. European Polymer Journal, 40, 343-351.
http://dx.doi.org/10.1016/j.eurpolymj.2003.09.022

has been cited by the following article:

  • TITLE: A High-Strength Cement System for Improved Dental Restoratives

    AUTHORS: Dong Xie, Jun Zhao, Yiming Weng

    KEYWORDS: Poly(acrylic acid); Molecular Architecture; Glass-Ionomer Cement; Atom-Transfer Radical Polymerization; Mechanical Strength

    JOURNAL NAME: Journal of Materials Science and Chemical Engineering, Vol.2 No.3, March 18, 2014

    ABSTRACT: We have developed and studied a novel high-strength glass-ionomer cement system composed of poly(acrylic acid) with different molecular architectures. These poly(acrylic acid) polymers were synthesized via ATRP technique. The effects of arm number and branching on reaction kinetics, viscosity, and mechanical strengths of the formed polymers and cements were evaluated. The results showed that unlike the star-shaped polymer synthesis both hyperbranched and star-hyperbranched polymers syntheses proceed slowly at the early stage but accelerate at the later stage. The higher the arm number and initiator concentration are, the faster the ATRP reaction was. It was also found that the higher the arm number and branching that the polymer had, the lower the viscosity of the polymer aqueous solution is and the lower the mechanical strengths of the formed cement are. The mechanical strengths of three synthesized polymers-composed experimental cements were very similar to each other but much higher than those of Fuji II LC. The experimental cements were 31% - 53% in CS, 37% - 55% in compressive modulus, 80% - 126% in DTS, 76% - 94% in FS, 4% - 21% in FT and 53% - 96% in KHN higher than Fuji II LC. For wear test, the experimental cements were only 5.4% - 13% of abrasive and 6.4% - 12% of attritional wear depths of Fuji II LC in each wear cycle. The one-month aging study also showed that all the experimental cements increased their CS continuously during 30 days, unlike Fuji II LC.