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Crowns

What is a crown?

Crowns are an ideal way to rebuild teeth which have been broken, or have been weakened by decay or a very large filling. A crown is a restoration over that the remaining part of the tooth, making it strong and giving it the shape and contour of a natural tooth.

 

Why would I need a crown?

Your dentist may suggest a crown is the best option if the tooth may have been weakened by having a very large filling. Alternatively, you may have had a root filling which indicates a crown to protect it.

If a tooth is misshaped or discoloured, you can discuss with you dentist if a crown is suitable for cosmetic improvement.

What are crowns made of?

Crowns are made of a variety of materials and new materials are being introduced all the time. Your dentist will discuss the different options available to you.

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 and is indicated if the tooth is broken down to the gum level and root treated.

How long does the treatment take?

You will need to have at least two visits: the first for the preparation, impression, shade taking and fitting the temporary crown, and the second to fit the permanent crown.

How long will a crown last?

The life of a crown will depend on how well it is looked after. The crown itself cannot decay, but decay can start where the edge of the crown joins the tooth. It is very important to keep this area as clean as your other teeth, or decay could endanger the crown. Properly cared for crowns can last for several years.

How are crowns fixed to teeth?

Once the fit and appearance of the crown has been checked it will be cemented in place with special dental cement. The cement also forms a seal to help hold it firmly in place.

Will the crown feel different?

Because the shape of the crown will be slightly different from the shape of your tooth before it was crowned, you may be aware of it to begin with and the crown may require some adjustment chairside. Within a few days it should feel fine, and you should not notice it.