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Fixed Bridge and Crowns



What is a crown?

If your tooth is damaged but not lost, a crown can be used to restore its shape, appearance and function. You may need a crown if you have a root canal, a large filling in a tooth or a broken tooth.

A crown, also called a cap, is a hollow, artificial tooth used to cover a damaged or decayed tooth. The crown restores the tooth and protects it from further damage. Crowns can also be used to cover a discolored or misshapen tooth. A tooth that has been fixed with a crown looks and works very much like a natural tooth.

Your dentist gives you a local anesthetic. To make room for the crown, your dentist files down the tooth that needs to be restored. An impression of the filed-down tooth and nearby teeth is taken. This impression is used to custom make your final crown. The crown is built using restorative material (material used for fillings) based on the impression. The final crown will be the right shape for your mouth.

Until your final crown is ready, your dentist places a temporary crown over the tooth that needs to be restored. The temporary crown is made from an impression of your tooth before it was filed down. It protects your tooth until the final crown is ready. A temporary crown may not have the same shape and color as a final crown.

Couronne dentaire

Pose de couronne dentaire

What is the procedure?

On your next visit, your dentist takes off the temporary crown and puts on the final one. Your dentist checks to make sure the crown is the right fit, shape, color and bite. If it is, your dentist cements the crown into place.

Crowns are made from various types of materials. Depending on which tooth needs a crown, your dentist will suggest a material, or combination of materials, that is right for you. There is porcelain crowns, procelain-fused-to-metal crowns and zironia crowns.

Crowns are strong and generally last for about 10 years or longer if you take good care of them. Brush and floss your crown, just like you clean your natural teeth.


Bridges

Sometimes, a tooth is badly damaged or lost. If a tooth is lost, it is important to replace it with an artificial tooth as soon as possible. This will prevent the teeth that are left from drifting out of line and possibly causing jaw problems. If one or more of your teeth are missing, your dentist may suggest replacing your missing teeth with a bridge.

A bridge, also called a (fixed bridge) or a (fixed dental prosthesis), is a dental restoration that replaces one or more missing teeth. It extends across an area that has no teeth and is typically made up of an artificial tooth fused between 2 crowns. The bridge is held firmly in place by your own teeth on each side of the missing one(s) or by dental implants. A bridge is permanent and cannot be removed.

Pont fixe

Pose d'un pont fixe

What is the procedure?

If you have healthy teeth on each side of a missing tooth (or teeth), your dentist files down the 2 healthy teeth to prepare them for the bridge. If you don’t have healthy teeth or enough teeth to support a bridge, then dental implants may be surgically placed. A dental implant is an artificial root made of titanium metal that is inserted into the jawbone to replace the root of the natural tooth. The implant acts as an anchor to hold an artificial tooth or bridge in place.

Next, your dentist makes a model of your teeth by taking impressions. The model is used to custom-make the artificial tooth and 2 crowns as one piece. This piece is called a bridge.

Meanwhile your dentist places a temporary bridge in your mouth to protect the exposed teeth and gums.

During your second visit, your dentist removes the temporary bridge and places the custom made bridge in your mouth. The crowns are either cemented to your 2 healthy teeth or attached to your dental implants on each side of the missing tooth (or teeth).

If you take good care of your bridge, it should generally last for about 10 years, or perhaps longer. Like natural teeth, bridges need to be brushed and flossed every day. Your dentist will show you how to use floss threaded to floss under and around the artificial tooth in the middle of the bridge.

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