CAD CAM crowns
What Is Zirconia Crown and When to Choose It
A zirconia crown is a tooth-colored crown milled from zirconium dioxide ceramic, valued for high strength and metal-free esthetics. Systematic reviews report 5-year survival of 95.9% for tooth-supported zirconia crowns and 97.1% for implant-supported zirconia crowns. Clinical evidence summarized in the NCBI review places zirconia among the established restorative choices for many indications. A patient…
Choosing Between Zirconia Crowns vs Porcelain Crowns
A dentist is planning a crown for a patient who wants a natural-looking smile, clenches at night, and has a heavily restored molar. Should the case be guided by the crown's appearance on delivery, or by how its surface, margins, and failure mode will behave during years of chewing and maintenance? That question exposes the…