• ​Permanent Crowns 

  • Can be made from all metal, porcelain -fused-to-metal, all resin, or all ceramic

​

• Metals Used in Crowns

  • ​Include gold alloy, other alloys (like palladium), or a base-metal alloy (like nickel or chromium)

  • Compared with other crown types, less tooth structure needs to be removed with metal crowns, and tooth wear to opposing teeth is kept to a minimum

  • Withstand biting and chewing forces and typically last the longest in terms of wear down

  • Rarely chip or break

  • Metal crowns are a good choice for out-of-sight molars because the metallic color

​

• Porcelain-Fused-to-Metal Crowns

  • Next to all-ceramic crowns, porcelain-fused-to-metal crowns look most like normal teeth.

  • The metal underlying the crown's porcelain can show through as a dark line, especially at the gum line and even more so if your gums recede 

    • Can be a good choice for front or back teeth.

  • Can be color matched to your adjacent teeth (unlike the metallic crowns)

  • Wearing to the opposing teeth occurs with this crown type compared with metal or resin crowns

  • The crown's porcelain portion can also chip or break off

​

• All-Resin Crowns 

  • Less expensive than other crown types

  • Wear down over time and are more prone to fractures than porcelain-fused-to-metal crowns

​

• All-Ceramic or All-Porcelain

  • Provide the best natural color match than any other crown type and may be more suitable for people with metal allergies 

  • Not as strong as porcelain-fused-to-metal crowns and they wear down opposing teeth a little more than metal or resin crowns

  • All-ceramic crowns are a good choice for front teeth

​

• Temporary Crowns vs. Permanent Crowns

  • Temporary crowns can be made in your dentist's office whereas permanent crowns are made in a dental laboratory 

  • Temporary crowns are made of acrylic or stainless steel

    • Can be used as a temporary restoration until a permanent crown is constructed by the dental laboratory