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There are 3 basic types of crowns: All-metal, All-ceramic and Porcelain-fused-to-metal.

  • All-metal crowns are made 100% out of a dental alloy. The alloy might be classified as precious/high-noble (meaning it contains a high percentage of gold, palladium and/or platinum), noble/semiprecious or base/non-precious.
  • All-ceramic crowns are made 100% out of a dental ceramic. This might be porcelain, or more commonly a specifically developed (engineered) ceramic.
  • Porcelain-fused-to-metal dental crowns are a sort of hybrid between the two, in the sense that they have a metal layer that covers the tooth and porcelain outer surface.

The Cerec® crown that you mention is the brand name for a type of all-ceramic crown. What's unique about them is that these crowns are milled out of a single block of ceramic right in the doctor's office, which means that they can be placed in a single dental visit.

If you need more information about different crown issues, use the links provided and/or browse through the index at the end of this page's text.

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