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Crowns and Bridges

When are crowns required?

  • Replace a large filling when there isn't enough tooth remaining.

  • Protect a weak tooth from fracturing.

  • Restore a fractured tooth.

  • Cover a dental implant.

  • Cover a discolored or poorly shaped tooth.

  • Cover a tooth that has had root canal treatment.

  • Bridges are commonly used if you’re missing one or more teeth. They cover the space where the teeth are missing and are cemented to natural teeth or implants surrounding the space.     


Types of Crowns

PORCELAIN FUSED TO METAL (PFM) CROWNS – Porcelain fused to metal, or PFM restorations have been a standard in restorative dentistry for more than three decades. During that time, dentists around the world have adopted PFM crowns and bridges due to the versatility for use, as well as their ability to be matched to surrounding teeth.

Advantages of PFM crowns:

  • Great aesthetics

  • Durability

  • Less costly than all porcelain crowns.


  • The crown may cause grey line at the gumline which makes it less aesthetic than all porcelain crowns.

  • For patients with bruxism and clenching habits, this type of crown tends to wear down more easily against the opposite teeth.



E-Max is a highly esthetic and durable lithium disilicate-based all-ceramic (metal-free) restoration. 

This is probably the most natural-looking material used in restorative dentistry, that's why it is widely used for front teeth restorations.

Advantages of E-Max:

  • Great aesthetics

  • Durability

  • Great choice for front and back teeth. Disadvantages:

  • More expensive.

  • Possibilities of failure for posterior teeth especially if a bridge is required.

Crowns and bridges are a fixed solution to missing or damaged teeth. This restorative procedure uses prosthetic devices to return your smile to its natural state. A crown is used when the tooth structure is damaged or fractured. A bridge is used when one or more teeth are missing.


Zirconia is a white metal powder that has been used in dentistry for the past decade to make crowns, bridges, and abutments for dental implant crowns. It is stronger than all-porcelain restorations, but is more opaque and has less translucency, which can affect their appearance. Therefore, pure zirconia crowns or bridges are recommended for back teeth and for people with a history of clenching or grinding.  Zirconium makes a good choice for dental material because it is chemically nonreactive.

Advantages of zirconia crowns:

  • Great aesthetics

  • Strong and long lasting

  • Less likely to wear off due to their strength


  • Difficulty in adjusting

  • Wearing down of teeth they bite against.


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