Does your tooth need a crown?
This procedure is undertaken to retain and strengthen a tooth in the following situations:
- When a tooth is broken or is extensively decayed.
- Has a large failing filling.
- When a portion of tooth structure is missing following a root canal.
- To replace tooth structure lost due to excessive wear.
Crowns are generally all three types; all porcelain, gold and porcelain fused to gold.
Porcelain crowns offer superlative esthetics and are consequently often placed on front teeth. They may not be the ideal choice for back teeth as they are often not strong enough to withstand chewing forces.
Gold crowns have for many years been the ideal choice for full coverage of back teeth. They can be fabricated to a very accurate fit and are strong enough to withstand biting forces without sustaining damage, resulting in long lasting and durable restorations. The similarities in wear rates between natural teeth and gold crowns make them very compatible ad does not promote excessive wear if opposing teeth. However, the metal color does not make it the most esthetic choice of crowns.
Porcelain fused to gold
Porcelain fused to gold crowns offer a happy medium between gold and all porcelain crowns. They are made up of an inner shell of gold overlaid with an outer layer of porcelain that is fused to the metal. These crowns offer the esthetics of porcelain and the strength of metal. They are good choices for both front and back teeth.
The procedure for fabricating and placing a crown generally requires two appointments. At the first appointment, the tooth is numbed followed by the removal of any decay or rough edges ad refinement of the tooth to create adequate room for the fit of the crown. An impression of the crown is taken using impression putty. A temp crown is provided to protect the tooth until the permanent crown is ready.
For porcelain crowns, a shade is selected that accurately matches the adjacent teeth. Plaster models created from the impressions provide the dental technician with a replica of the tooth upon which the crown is fabricated and fitted. At the second appointment the temporary crown is removed, the permanent crown is tried in to ensure proper fit and function following which, it is permanently cemented in place.
Crowns remain one of the best techniques available to restore compromised teeth to full function, strengths and esthetics. Their long life span allows them to be a cost-effective method of enhancing and prolonging the retention of teeth resulting in a stable and functional tooth restored to its original form.
We look forward to seeing you soon.
At Burnaby Mountain Dental Centre we believe in providing exceptional dental care to all of our patients with the finest, state-of-the-art treatments. You can expect to be treated with personal attention and respect from our experienced professionals.
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