The two options, side by side
How do the crown materials differ?
Choose an all-ceramic route if appearance is central
Choose PFM when a metal-backed design is intended
What affects the crown comparison?
What is known about outcomes?
What should be weighed with the material?
The evidence compares clinical outcomes across crown materials, so strength, fit, appearance, and the tooth being restored all belong in the material decision. Published comparisons examine conventional crowns and fixed partial dentures as well as lithium-disilicate and zirconia restorations. That scope matters because the material is part of a finished restoration, rather than a separate cosmetic coating.
[1][2]When is a crown comparison premature?
What should settle the choice?
Compare the ceramic or metal-backed structure, the clinical outcome evidence, and the cost-effectiveness question before selecting Emax, PFM, or zirconia. Emax belongs to the lithium-disilicate ceramic group, zirconia is also a ceramic material, and PFM has porcelain over metal. These construction differences are the starting point for a crown discussion, alongside the tooth that needs restoring. Cost-effectiveness comparisons of PFM and all-ceramic crowns show why material choice goes beyond colour alone.
[1][2]Frequently asked questions
Who wrote this page
This library is published by Dental Nation, a licensed dental group practising in the United Arab Emirates. Pages are written and overseen by the same clinical team that treats patients in our clinics, and are held to a fixed editorial standard for safety and accuracy.
This page is patient education, not medical advice, and cannot replace an examination. Anything urgent — facial swelling, trauma, uncontrolled bleeding or severe pain — needs a dentist or emergency care now.