Do You Need a Crown After Getting a Dental Post?

Dental implants and braces?

Recently, I underwent a root canal treatment, and the dentist informed me that I might need to place a post to fill the space left by the removed nerve and to prevent bacterial invasion.
I would like to ask if placing a post requires a crown, or can the space be filled directly after placing the post?

Jingjing, 20~29 year old female. Ask Date: 2016/03/04

Dr. Zeng Guanghui reply Dentistry

After performing a root canal treatment, the root canal is filled with medication.
If there is significant loss of the tooth crown, a post must be placed before a crown is fabricated.
This will provide greater structural integrity to the tooth, reducing the risk of fracture when biting into hard substances.

Reply Date: 2016/03/04

More Info

After undergoing root canal treatment, the question of whether a dental crown is necessary often arises, especially when a dental post is involved. The primary purpose of a dental post is to provide support for a restoration, particularly when a significant amount of tooth structure has been lost. This is common after a root canal, as the procedure typically involves the removal of the pulp, which can weaken the tooth.

In your case, since your dentist mentioned the possibility of placing a post to fill the space left by the removed nerve, it is crucial to consider the long-term health and stability of the tooth. While it might seem tempting to skip the crown and go straight to filling the tooth after placing the post, this could lead to complications down the line.

1. Structural Integrity: A tooth that has undergone root canal treatment is more susceptible to fractures. The removal of the pulp and the subsequent filling can leave the tooth brittle. A crown acts as a protective cover, distributing biting forces evenly and preventing cracks or fractures that could lead to the loss of the tooth.

2. Bacterial Protection: After a root canal, the tooth is at risk of bacterial invasion. A crown provides a seal that helps prevent bacteria from entering the tooth structure, which is especially important if the tooth has been significantly compromised. Without a crown, the risk of reinfection increases, which could necessitate further treatment or even extraction.

3. Longevity of the Restoration: Studies have shown that teeth restored with crowns after root canal treatment have a higher success rate and longevity compared to those that are not crowned. A crown can significantly extend the life of the tooth, making it a worthwhile investment in your dental health.

4. Aesthetic Considerations: If the tooth in question is visible when you smile, a crown can also provide a more aesthetically pleasing result. Modern crowns can be made to match the color and translucency of your natural teeth, enhancing your smile.

5. Consultation with Your Dentist: It’s essential to have an open dialogue with your dentist regarding your concerns. If cost is a significant factor, discuss the benefits of a crown versus the potential risks of not having one. Your dentist can provide insights based on the specific condition of your tooth and your dental history.

In conclusion, while it may be possible to fill the tooth directly after placing a post, it is generally advisable to proceed with a crown for the reasons outlined above. Protecting your investment in dental work and ensuring the longevity of your tooth should be a priority. If you have concerns about the procedure or costs, don't hesitate to seek a second opinion or discuss alternative options with your dentist. Your oral health is paramount, and taking the necessary steps now can save you from more extensive and costly procedures in the future.

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