An experimental porcelain combination in a 3-unit fixed partial denture (FPD). Fracture within the glass veneer layer can lead to fracture failures of the FPD veneer surface. fluorescent illumination highlights fractures that developed within an experimental glass veneer layer of the fixed partial denture.
A bilayered porcelain sphere that “failed” or fractured after multiple firings.
Phillips’ Science of Dental Materials by Kenneth Anusavice, Twelfth Edition
Statements: Diagnostics and Therapy in Dental Medicine Today and in the Future, by Jean-Francois Roulet and Heinrich F. Kappert