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  • Apolline Dental
  • 2a Buxton Road
  • Chingford
  • London
  • E4 7DP
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Dental crowns are used to restore the structure, stability, and function to teeth that have been significantly impaired due to injury or decay.

When the enamel of a tooth has been compromised, it is crucial to repair it right away to prevent further damage. A dental crown can make a tooth stronger or improve the way it looks.

What exactly is a dental crown?

A crown, or cap, is placed over a tooth and fixed in place by dental cement or adhesive. They can be used to restore chipped teeth or protect a weak tooth. They are typically used to restore a tooth after a root canal treatment, or if you have a large cavity, deep filling or cracked tooth. They can also be used to cover a discoloured or misshapen tooth and improve your smile.

How long will a crown last?

Crowns are made of inert material and therefore will not deteriorate over time, but they can crack or break if you chew on hard foods or ice. The tooth underneath the crown will still be susceptible to natural deterioration and decay, especially at the margins of the crown where bacteria congregate and penetrate up under the edges. Once decay extends below the margins of a crown it has to be removed so the decayed area can be treated.

While crowns typically last for 5-15 years, several things can impact their longevity.

  • Does the crown fit the tooth and is the bite correct?
  • Do you brush and floss regularly and take care of your dental work?
  • Do you seek and receive regular dental care?
  • Do you clench or grind your teeth?
  • Genetics also play a role in how long a dental restoration lasts regardless of your dental hygiene efforts.

Regular check-ups and teeth cleanings can help your dental professional monitor the ongoing health of the crown.

What are dental crowns made of?

A crown can be made from ceramic, metal alloys, or plastic. Often a combination of metal alloy and ceramic will be used for maximum strength and to mimic the look of your natural teeth.

Your dentist wants your crown to look natural and fit comfortably in your mouth so will consider the following factors when choosing the material for your crown:

  • Your preference
  • The amount of tooth that shows when you smile
  • The location and function of the tooth

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