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Crowns and Bridge

What is it?


Crowns or sometimes called caps are usually indicated when a tooth has sustained a crack, fractured, suffered extensive decay, lost a large filling or undergone root canal treatment. A crown restores tooth strength and natural appearance (when tooth coloured material is used). Treating a tooth with a crown is less expensive than having to replace the tooth if it is lost. Crowns may be composed of tooth-colored ceramic , tooth-colored ceramic over zirconia, tooth-colored ceramic over precious metal, or all gold. The option selected will usually depend on the location of the specific teeth. Zirconia, gold or precious metal over tooth-coloured may be preferred on back teeth in cases where patients have a “heavy bite” and all ceramic crowns are preferred on teeth where aesthetics are a priority.

To prepare the tooth for a crown, the tooth is reduced approximately one to one and one-half millimeters, an impression is taken and a temporary crown is cemented. The dentist provides detailed instructions to the lab technicians to ensure the proper form and color. During the second appointment, the temporary crown is removed and the permanent crown is cemented in place. Minor adjustments are made to ensure an accurate fit and comfortable bite.


When a dental implant does not suit, a bridge may be recommended if you are missing one or more teeth. Gaps left by missing teeth can eventually cause the remaining teeth to rotate or shift into the empty spaces, resulting in a bad bite. The imbalance caused by missing teeth can also lead to gum disease and temporomandibular joint (TMJ) disorders.

Bridges are commonly used to replace one or more missing teeth. They span the space where the teeth are missing. Bridges are cemented to the natural teeth or implants surrounding the empty space. These teeth, called abutments, serve as anchors for the bridge. A replacement tooth, called a pontic, is attached to the crowns that cover the abutments. As with crowns, you have a choice of materials for bridges. Your dentist can help you decide which to use, based on the location of the missing tooth (or teeth), its function, aesthetic considerations and cost. Porcelain or ceramic bridges can be matched to the colour of your natural teeth.


Do you think you could benefit from these form of treatment? Contact us for a consultation.