Paper Title:
Microstructure of Interface between Zirconia and Veneer Porcelain
  Abstract

To study whether the veneering technique will have an impact on zirconia grain and the bonding type and relationship on interface between zirconia and veneer porcelain. Materials and methods: After sintered, zirconia was annealed for 15 minute to finish the phase transition from m to t.4 types of veneer porcelains were sintered and observed with SEM (scanning electron microscopy) and TEM (transmission electron microscopy). Results: With etching time extending, it appeared that many materials loosed and corrosional pit deepened, enlarged in the veneer porcelain, which made crystallize structure move into veneering surface. Composition of interface mainly was amorphous glass matrix and zirconia. Energy spectrum analysis showed that there was no remnant glass composition in the zirconia side departing from interface. SEM showed that crystal in veneering side did not participate interface bonding. Conclusion: The interface between 4 types of veneer porcelains and zirconia bonded well. Veneering sintering technique didn’t change lattice structure of zirconia, which still was tetragonal structure. The specific bonding property of interface still remained to be analyzed further to determine.

  Info
Periodical
Edited by
Yiwang Bao, Danyu Jiang, Li Tian and Jianghong Gong
Pages
55-60
DOI
10.4028/www.scientific.net/KEM.492.55
Citation
B. Deng, H. C. Liu, Y. F. Yi, L. Q. Shao, K. L. Hou, R. J. Lu, J. M. Tian, N. Wen, "Microstructure of Interface between Zirconia and Veneer Porcelain", Key Engineering Materials, Vol. 492, pp. 55-60, 2012
Online since
September 2011
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Price
$32.00
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