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Are PFMs Dead?

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If you don't know the exact number off-hand, about what percentage of your fixed business would you guess is PFM work?  And how does this number compare to 10 years ago? 
Whether you're a dental lab or a dental practice, everyone knows that not all restorations are created equal. But to answer the initial question, I don't think it's fair to say that PFMs are completely dead. 
Like anything else, the constant development and involvement of science, information, and material has advanced dentistry.  With PFMs it appears that a stack-able bilayered restoration with a sometimes bulky margin has been improved upon by the development of 2 monolithic options - zirconia and all other ceramic options.
In a 2013 survey conducted by Lab Management Today, 40% of respondents reported a decline in PFM fabrications, although fewer than 10 years earlier, respondents noted that nearly 85% of all crown and bridge work completed was metal-based. Perhaps directly related, 60% of these same …