What is a crown?

A crown, commonly referred to as a cap is a dental restoration that covers your existing tooth.

Why do I one?

  1. A previously filled tooth where there now exists more filling than tooth which can no longer support the biting force on it.

  2. To strengthen a tooth has had extensive damage caused by tooth decay.

  3. To improve the appearance of my teeth. (Discolorations and compromised aesthetics, such as staining/chipping)

  4. My tooth has been root treated. Most teeth which have had a root filling need a crown, as the tooth has lost its nutrients and blood supply by the root filling. The tooth turns into a brittle consistency which is hard, but can fracture if left unpotected in the long run. 

  5. When missing teeth are replaced with a bridge, the adjacent teeth sometimes require crowns in order to support the replacement teeth.

  6. There is a crack in the tooth- Many people have unexplained pain from filled back teeth, usually due to fine hair line cracks in the chewing part of the tooth. Placing crowns on these teeth relieves the pain and allows a return of full dental function for these teeth.

What does it involve?

The construction of a crown is very precise and generally requires at least two visits. During the first visit, the tooth is prepared to accept the crown. It may be necessary to replace the damaged part of the tooth with a core first. An impression is taken and a temporary crown is put in place. At the second visit, the permanent crown is cemented onto the prepared tooth. 

What does a crown look like?

 

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There are a number of materials available that can be used to make a crown. At Edgware Dental Practice we offer all types including Gold, Porcelain, Emax and Zirconia. We would assess the tooth/ teeth and give you a range of suitable options.

 

What is a post crown?

In root-filled teeth it may be necessary to insert a post into the tooth root before placing a crown. A post gives support and helps the crown to stay in place. The surface of the tooth may be removed down to the level of the gum.

A post can be made of prefabricated stainless steel which the dentist can fit directly into the root canal. Or a custom-made post can be constructed by a dental technician to accurately fit the shape of the prepared root canal. The post is placed into the root canal and cemented in position, ready for the crown to be attached.

Does it hurt to have a tooth prepared for a crown?

No. You will have a local anaesthetic and the preparation work should feel no different from a filling. If the tooth does not have a nerve, and a post crown is being prepared, then you may not need a local anaesthetic.

What will it cost?

Costs will vary according to the type of crown and the material used and this will all be discussed with your prior to any treatment starting.

 


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