Crowns

What is a crown?

A crown is a type of cap that completely covers a real tooth and held in place by dental adhesive or cement.

Crowns are used for several reasons:

  • as a protective cover for badly decayed teeth or fractured teeth
  • as a permanent restoration for teeth with large fillings
  • to correct minor problems in natural teeth like spacing and irregular shape or severe discolouration.

To fit a crown, the old tooth will need to be drilled down so it’s like a small peg onto which the crown will be fixed. It can take some time for the lab to prepare a new crown, so you probably won’t have the crown fitted on the same day.

What are crowns made of?

Crowns are made from either metal, or porcelain and metal, and are fixed in your mouth. Crowns can be fitted where a tooth has broken, decayed or been damaged, or just to make a tooth look better.

How are crowns made?

A thorough clinical examination is and the suitability for crowns is assessed and any preparatory work is carried out. Your dentist will also be able to advise on material choices, treatment sequence and any other concerns you may have.

At the second appointment, the teeth to be crowned are prepared. This involves reduction of the tooth size (usually under local anaesthesia) followed by an impression of the prepared tooth. This trimming of the tooth is required to create space for the crown to be fitted. The impression taken is then sent to a laboratory where skilled technicians will fabricate the crown. In the meantime, a temporary crown is made and fitted onto the trimmed tooth.

At the third appointment, the temporary crown is removed and the tooth surfaces cleaned. The completed crown is tried on the tooth for fit, harmony with the bite, and appearance. Finally, the crown is cemented onto the prepared tooth with dental cement.

How long do crowns last and how do I care for them?

Crowns are made of inert materials that do not deteriorate over time. However, the underlying tooth is still prone to decay and gum disease.

Ceramic on the surface may chip or fracture. Avoid chewing excessively-hard substances like ice or bones. Daily brushing and flossing are essential for maintaining good oral health as well as keeping the crown trouble-free. The most vulnerable portion of the crown is the margin or the junction between tooth and crown.

Regular check-ups will enable your dentist to detect any problems with your crown and recommend necessary treatment.

Not sure which treatments may be available? Complete our free Smile Analysis.

As always very friendly service. Treatment was well explained and carried out to the usual high standards. Crown feel very comfortable and has good tongue feel about it

Marc V.