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Crowns

Crowns

A crown is one of the ways we can rebuild a severely broken down tooth or improve its appearance. A crown which completely caps or encircles a tooth or dental implant is termed a full crown. Sometimes it is not necessary to cover the whole tooth in which case the crown is called a partial crown or an onlay. Crowns are often needed when a large cavity threatens the on-going health of a tooth. They are typically bonded to the tooth using a dental cement and are often used to improve the strength or appearance of teeth. Crowns offer greater strength than simple fillings and also help to protect the tooth from further damage.By covering the tooth they provide a level of structural integrity which is not possible with a filling.

Simplistically there are 3 crown options which vary in strength and aesthetic qualities:

  • Full gold crowns are less damaging to the underlying tooth in that less tooth has to be prepared. Their long term survival statistics are outstanding but are often not the choice of patients because of their poor aesthetic qualities.  Their use is recommended for the back of the mouth and for patients who have aggressive and heavy bites 
  • the standard crown of the last 40 years has been the “porcelain fused to metal (PFM)”.This consists of an underling metal coping (generally a precious metal alloy) with a porcelain covering thermally fused to the metalwork. This crown requires more tooth reduction than a full gold crown because more space is required to fit  both metal and porcelain and although tooth like in appearance, its aesthetic qualities are compromised by the need to opaque out the underling metal work.This results in light not being transmitted naturally through the crown
  • The new all porcelain options of the last ten years allow much higher levels of aesthetic result with high levels of strength

Crown selection is not a decision of simple aesthetic preference it should be a result of risk assessment and what might be most appropriate for one patient may not be so for another.

Quality crown work is achieved by careful attention to detail on the part of dentist and technician.  We work very closely with two technicians,Stephen Dunn of Hartford and Richard Want of Stockport. Their work is outstanding  in terms of fit,appearance and reliability and the good working relationship which we have developed with them over the years allows predictable and succesful dentistry 

Crowns can be made to look like natural teeth using porcelain alone, which addresses the aesthetic result as priority. 

David Barclay
David Barclay

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Amelia Wong Dentist
Amelia Wong

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