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Post and Core

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Post and core is a dental restoration used to sufficiently build up tooth structure for future restoration when there is not enough tooth structure to properly retain the crown, due to loss of tooth structure to either decay or fracture.  The procedure that is required in order to rebuild and strengthen a tooth is root canal treatment (endodontic procedure).

The post is made of cobalt chrome or in some cases a reinforced fibre structure even all ceramic. The structure is placed within the previous root of the tooth that has had the root canal. When root canal is performed, the nerve is removed and the space it occupies is filled with a special filling material. When placing a post, this filling material must be removed creating a space. The space that is created is used to anchor the post within the root of the tooth.

The type of post that can be chosen can depend on a number of factors. Majority of the posts used today are prefabricated. The appropriate size of the post that is selected is determined by the size of the tooth.

Although posts are usually recommended when there is minimal support for a crown, they are not always necessary. The use of a post is determined on an individual basis, based upon support and structural strength required.

Post and Core FibrePost and Core Metal
Aesthetics
11111
5/5
10000
1/5
Strength
10000
1/5
11111
5/5
Anteriors
Posteriors
Turnaround Time
(in lab)
Post (single) 6 days, Post with Crown 8-10 days Post (single) 6 days, Post with Crown 8-10 days
Origin
Process Traditional build up and cast Traditional build up and cast
Occlusal Clearance In line with selected crown material In line with selected crown material