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All-ceramic or all-porcelain dental crowns provide better natural colour match than any other crown type and may be more suitable for people with metal allergies. All-ceramic crowns may be used at any tooth. The absence of a metal substructure allows ceramic crown to be made with enhanced biocompatibility, translucency and superior aesthetics. This means that you can have beautiful crowns on your teeth that look and feel exactly like the natural teeth. They do not leave a black line at the gum level as seen in so many conventional crowns.
What is the clinical procedure for getting a dental crown fitted?
During the first visit, the tooth/teeth will be prepared; this involves reshaping the tooth/teeth and removing any decay to allow the crown to be placed. The amount removed depends on the type of crown used. For instance, all-metal crowns are thinner and require less tooth structure removal than all-porcelain or porcelain-fused-to-metal ones. If, on the other hand, a large area of the tooth is missing (due to decay or damage), your dentist will use filling material to “build up” the tooth to support the crown.
Impressions are taken and sent to a dental laboratory where the crown will be manufactured. The crown is usually returned to your dentist’s office within two weeks. If the crown is made of porcelain, your dentist will also select the shade that most closely matches the colour of the neighbouring teeth. During this first visit your dentist will make a temporary crown to cover and protect the prepared tooth while the permanent crown is being made. Temporary crowns are usually made of acrylic and are held in place using temporary cement.
At the second visit, your dentist will remove the temporary crown and check the fit and colour of the permanent crown. If everything is acceptable, a local anaesthetic will be used to numb the tooth and the new crown is permanently cemented in place.
How long do dental crowns last?
On average, dental crowns last between 5 and 10 years. The life span of a crown depends on the amount of “wear and tear” the crown is exposed to, how well you follow good oral hygiene instructions and your personal mouth-related habits. It is advisable that you should avoid such habits as grinding or clenching your teeth (or if you do, you will need to use a mouth guard to protect your restorations), biting nails or pens for example.
To learn more about our crowns procedures email us at email@example.com to arrange a consultation