3 doctors weighed in:

What happens at your tooth when a dentist puts a post and crown on your tooth?

3 doctors weighed in
Dr. Matt Fulmer
Dentistry
1 doctor agrees

In brief: Several things

A post is a fiber or metal "post" or "rod" that is placed into the canal or root of a tooth after a root canal.
This post allows the dentist to build a broken-down tooth back up so that a crown can be placed. A crown is a porcelain, metal, or other dental material prosthesis that is placed over the top of a tooth to provide strength and save the tooth.

In brief: Several things

A post is a fiber or metal "post" or "rod" that is placed into the canal or root of a tooth after a root canal.
This post allows the dentist to build a broken-down tooth back up so that a crown can be placed. A crown is a porcelain, metal, or other dental material prosthesis that is placed over the top of a tooth to provide strength and save the tooth.
Dr. Matt Fulmer
Dr. Matt Fulmer
Thank
Dr. STEPHEN PERRY
Dentistry

In brief: Good things

Posts are placed in root canal treated teeth to strengthen them so a fracture does not occur at the gum line at a later time.
Posts are commonly covered over with a crown that joins tightly to the contour of the tooth remains after the injury that necessitated the root canal. It is only the most severely damaged teeth that get this level of treatment. Protect the joint with good hygiene.

In brief: Good things

Posts are placed in root canal treated teeth to strengthen them so a fracture does not occur at the gum line at a later time.
Posts are commonly covered over with a crown that joins tightly to the contour of the tooth remains after the injury that necessitated the root canal. It is only the most severely damaged teeth that get this level of treatment. Protect the joint with good hygiene.
Dr. STEPHEN PERRY
Dr. STEPHEN PERRY
Thank
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