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Crowns, Bridges and Veneers

Crowns

Crowns are used to restore the enamel layer on the front and back teeth that are broken or weakened due to oversized fillings or root canal treatments or fractures and can also be used where teeth are worn, discoloured, rotated, poorly shaped or cracked.

When a tooth has decayed excessively, has broken or is brittle due to previous treatments, an artificial crown is often best to replace the damaged natural crown. This procedure can take two or three dental visits.

Provided that the roots and bone structure that support the tooth are healthy and strong, we can prepare the tooth for the crown by reshaping it to precise design principles to accommodate a crown.

The crown is carefully fabricated to fit the prepared tooth and also fit against the opposing tooth to ensure a correct bite. We take accurate measurements in the form of impressions of both jaws as well as record of the bite to ensure that the new crown is made to fit and function comfortably against the opposing tooth. At the conclusion of the preparation appointment the tooth which is to be crowned is covered with a temporary crown made of acrylic in order to protect and stabilize it until the next appointment.

At the next visit, we check and fit the crown over the prepared tooth and cement it permanently. The durability of crowns depends on many factors but generally the structure of a crown is able to last a lifetime. However, it is common for crowns to need replacement after 20 years of service.

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Bridges

The most common reasons for needing a bridge include:

Tooth decay

Gum disease

Injury or accident

The loss of a tooth affects the neighbouring teeth because the support and chewing forces are altered and can cause them to move. This causes serious gum problems around the tooth and if the tooth is not replaced it is likely that other teeth will be lost!

A bridge spans a gap where one or more teeth have been lost. The teeth adjacent to the gap are called abutments and are crowned to support the bridge. The false teeth are then joined to these crowns. The materials used in crowns and bridges, usually gold and semi-precious metals, porcelains, or a combination of both, are chosen with both appearance and function in mind.

By replacing missing teeth we help prevent decay and gum disease, restore and maintain the natural bite, prevent remaining teeth from being subject to extra stress and improve your overall chewing and smile.

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Veneers

Many of our patients are discovering the benefits of dental veneers. Unlike a dental crown which covers the entire tooth, a veneer is a thin covering that is placed over the front (visible) part of the tooth. We can apply veneers in a simple, comfortable procedure that takes just a few visits.

Veneers are a popular treatment option for several reasons. They generally are placed on upper front teeth that are severely discoloured, poorly shaped or slightly crooked. Veneers may be used to lighten front that are naturally yellow or have a gray cast and cannot be whitened by bleaching. Veneers are sometimes used to correct teeth that are chipped or worn. They also may be used to correct uneven spaces or a large, noticeable gap between the upper front teeth.

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