Post and core is a procedure to rebuild a tooth in order to provide proper support for a crown.
The post will act like an anchor for the placement of crown. Posts are usually recommended in case of inadequate support for a crown. A post is placed within the body of the root of a tooth that has already treated with root canal treatment.
There are 2 different types of posts.
It can be cast at the dental laboratory.
In both cases, the result of anchorage for a crown is the same.
The core is the part of the post that shows out in the mouth that help anchor a cap or crown.
When The post and core is cemented into your tooth separate from the crown , the crown (or cap) is then ready to be placed. Post and core are usually recommended when there is minimal support for a crown, but they are not always necessary. The use of a post will be determined on an individual basis based upon support and structural requirements as well.