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GENERAL DENTISTRY

Crowns

Crowns

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A crown is a laboratory-constructed artificial restoration which replaces at least three-quarters of the natural crown surface of the tooth. There are various types, made of various materials, and they require at least two visits for the tooth preparation, crown construction and fitting to be completed.

Laboratories required two weeks for the crown to be custom made.

Temporary Crown

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When teeth die and are preserved by root filling and restoration, the remaining tooth structure often becomes brittle with time and fractures. Sometimes the fracture is so extensive that there is not enough tooth structure left to restore it without the use of additional support.

This support is often achieved by the placement of metallic post and core structure which is then shaped to hold a conventional crown – these restorations are called post crowns.

Post Crown

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When teeth die and are preserved by root filling and restoration, the remaining tooth structure often becomes brittle with time and fractures. Sometimes the fracture is so extensive that there is not enough tooth structure left to restore it without the use of additional support.

This support is often achieved by the placement of metallic post and core structure which is then shaped to hold a conventional crown – these restorations are called post crowns.

Veneers

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Veneers cover the labial surface of an anterior tooth when it is discoloured or misshapen.

Bridge

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A bridge is a laboratory-constructed artificial device which is composed of two or more units, one of which will replace a missing tooth. Essentially, they are composed of one or more units which are each exactly the same as a single crown, but as a bridge they are all joined together to make one structure.

Bridges have a several advantages over removable prostheses (dentures), which may also be used to replace missing teeth.