Home - Cosmetic Dentistry - Crowns

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Frequently Asked Questions

How is a crown prepared?

The dentist will prepare the tooth to the ideal shape for the crown. This will involve removing most of the outer surface, and leaving a strong inner core. The amount of the tooth removed will be the same as the thickness of the crown. Once the tooth is shaped, the dentist will take an impression (mould) of the prepared tooth, one of the opposite jaw and possibly another to mark the way you bite together.

The impressions will then be given a dental technician, along with an appropriate shade and other information needed for the crown to be made.

A temporary crown will be fitted so that you can use the tooth while you wait for the crown to be made. This crown may be more noticeable but is only a temporary measure.

How is the crown fitted?

When the dentist is happy with the fit and appearance of the new crown it will be fixed in place with special dental cement or adhesive. The cement forms a seal to hold the crown in place.

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. There will usually be about 1 to 2 weeks in between appointments.

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Dental crowns are restorations that protect damaged, cracked or broken down teeth. Dental crowns are versatile and can be used to replace missing teeth, restore a chipped or broken tooth, and protect decayed teeth from fracture.

Different types of Crowns

Metal CrownsMetal

Alloy of metals with either silver or gold appearance. Does not mimic look of real teeth. The traditional restoration used for decades.

Full Gold Crown

This is a gold shell crown with high gold content (60-90%). As gold is a precious metal it does not corrode, tarnish or discolour. It is very stable in the oral environment.

This requires minimal preparation of tooth. For example- in second molars where tooth height is compromised.

porcelain-crownsPorcelain Bonded Crown

This is a porcelain crown bonded to precious metal alloy (60-90% gold). It is provided to protect the tooth structure from further damage. It combines the advantages of strength and aesthetics and is stable in the oral environment.

All Ceramic Crown (Zirconia)

 

Lava™ Crowns and Bridges

Lava Crowns are made from Zirconium oxide (zirconia). This is a ceramic material similar to the natural ceramic of your teeth. Once the zirconia has been made into a restoration it has such a natural appearance that it can hardly be distinguished from natural teeth.

Lava crowns allow the light to shine through restorations just like your normal teeth. The ceramic is layered in such a way that they imitate the colour and translucency of your own teeth.

Over time, metal restorations can leave a dark ridge where the gums recede.
With Lava zirconia, your restoration retains its original beauty for years.

 

De-ientes Bedford

28 Lurke Street, Bedford , MK40 3HU.
Tel: 01234 263050

De-ientes Clapham

60 High Street, Clapham MK41 6DN
t: 01234 330404