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Failure Modes and Fracture Origins of Porcelain Veneers on Bilayer Dental Crowns
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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2014 (English)In: International Journal of Prosthodontics, ISSN 0893-2174, Vol. 27, no 2, 147-150 p.Article in journal (Refereed) Published
Abstract [en]

The aims of this study were to determine the fracture origins and crack paths in the porcelain of clinically failed bilayer ceramic restorations and to reveal the correlation between the porcelain failures and material properties. Three clinically failed crowns of each material (bilayer zirconia crowns, galvano-ceramic crowns, and porcelain-fused-to-metal crowns) were collected and underwent failure analysis. The fractures found in porcelain veneers showed several characteristics including wear, Hertzian cone crack, chipping off, and delamination. The results indicated that the fracture origins and features of the porcelain in bilayer ceramic restorations might be affected by the rigidity of core materials and thickness of copings.

Place, publisher, year, edition, pages
2014. Vol. 27, no 2, 147-150 p.
National Category
Chemical Sciences
URN: urn:nbn:se:su:diva-102780ISI: 000332765400008OAI: diva2:713554


Available from: 2014-04-23 Created: 2014-04-22 Last updated: 2014-04-23Bibliographically approved

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Shen, James Zhijian
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Department of Materials and Environmental Chemistry (MMK)
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