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Volume 15 Issue 6
Dec.  2008
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Xinjie Liang, Yuexiu Qiu, Shaoxiong Zhou, Xiaoyang Hu, Guangyan Yu,  and Xuliang Deng, Preparation and properties of dental zirconia ceramics, J. Univ. Sci. Technol. Beijing, 15(2008), No. 6, pp. 764-768. https://doi.org/10.1016/S1005-8850(08)60284-4
Cite this article as:
Xinjie Liang, Yuexiu Qiu, Shaoxiong Zhou, Xiaoyang Hu, Guangyan Yu,  and Xuliang Deng, Preparation and properties of dental zirconia ceramics, J. Univ. Sci. Technol. Beijing, 15(2008), No. 6, pp. 764-768. https://doi.org/10.1016/S1005-8850(08)60284-4
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Materials

Preparation and properties of dental zirconia ceramics

  • 通讯作者:

    Xuliang Deng    E-mail: kqdengxuliang@bjmu.edu.cn

  • Y2O3-stabilized tetragonal zirconia polycrystalline (Y-TZP) ceramics with high-performance were prepared for dental application by use of the micro-emulsion and two-step sintering method. The crystal phase, morphology, and microstructure of the reaction products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). XRD results show that the ceramics mainly consist of tetragonal zirconia. Physical and mechanical properties test results show that the bending strength, fracture toughness, and the density of full sintered Y-TZP ceramics are 1150 MPa, 5.53 MPa·m1/2, and 6.08 g/cm3, respectively, which suggest that the material is relatively suitable for dental restoration. The dental base crown machined with this material by CAD/CAM system exhibits a verisimilitude configuration and the material's expansion coefficient well matches that of the glaze. These results further indicate that the product can be used as a promising new ceramic material to fabricate dental base crowns and bridges.
  • Materials

    Preparation and properties of dental zirconia ceramics

    + Author Affiliations
    • Y2O3-stabilized tetragonal zirconia polycrystalline (Y-TZP) ceramics with high-performance were prepared for dental application by use of the micro-emulsion and two-step sintering method. The crystal phase, morphology, and microstructure of the reaction products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). XRD results show that the ceramics mainly consist of tetragonal zirconia. Physical and mechanical properties test results show that the bending strength, fracture toughness, and the density of full sintered Y-TZP ceramics are 1150 MPa, 5.53 MPa·m1/2, and 6.08 g/cm3, respectively, which suggest that the material is relatively suitable for dental restoration. The dental base crown machined with this material by CAD/CAM system exhibits a verisimilitude configuration and the material's expansion coefficient well matches that of the glaze. These results further indicate that the product can be used as a promising new ceramic material to fabricate dental base crowns and bridges.
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