Do You Need New Retainers After Root Canal and Porcelain Crown? - Dentistry

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Root canal treatment


Hello, doctor.
I would like to ask if a tooth that has undergone root canal treatment needs to have a new all-ceramic crown, will I need to return to the clinic to pay for a new clear retainer and fixed retainer? Or can the all-ceramic crown be compatible with the retainers? The orthodontic treatment was done at Clinic A, and the root canal treatment was performed at Hospital B.

An, 20~29 year old female. Ask Date: 2023/11/28

Dr. Zeng Guanghui reply Dentistry


Dear Miss An,
After root canal treatment, a full ceramic crown is required.
If you currently have a clear retainer and a fixed retainer, it may be difficult to fit the original retainers snugly after the crown is placed.
You may want to discuss with your dentist the possibility of remaking the retainers.

Sincerely,
Dr.
Tseng Guang-Hui, Department of Dentistry, Nantou Hospital

Reply Date: 2023/11/28

More Info


After undergoing a root canal treatment and subsequently needing a porcelain crown, it is important to consider how these procedures may affect your orthodontic retainers. Here’s a detailed explanation regarding the need for new retainers and the compatibility of porcelain crowns with existing retainers.

When you have a root canal treatment, the tooth is cleaned and sealed to prevent further infection. Following this, a porcelain crown is often placed to restore the tooth's function and aesthetics. The crown is custom-made to fit the tooth precisely, and its shape and size may differ from the original tooth structure. This is where the interaction with your orthodontic retainers comes into play.

1. Retainer Compatibility: If your retainers were made before the root canal and crown placement, they may not fit properly after the crown is placed. This is because the crown may alter the shape and contour of the tooth, which can lead to an improper fit of the existing retainers. If the retainers do not fit well, they may not provide the necessary retention to keep your teeth in their new positions after orthodontic treatment.

2. Need for New Retainers: It is likely that you will need to have new retainers made after the crown is placed. This is especially true if the crown significantly changes the tooth's anatomy. Your orthodontist can take new impressions of your teeth after the crown is placed to create retainers that fit properly. This process may involve additional costs, but it is essential for maintaining the alignment of your teeth.

3. Consultation with Professionals: Since your orthodontic treatment was done at a different clinic (A clinic) than where your root canal and crown were performed (B hospital), it is advisable to communicate with both your orthodontist and the dentist who performed the root canal and crown placement. They can provide specific guidance on how to proceed. Your orthodontist can assess the fit of your current retainers and determine if new ones are necessary based on the crown's placement.

4. Long-term Considerations: Maintaining the alignment of your teeth is crucial, especially after orthodontic treatment. If you do not replace your retainers, there is a risk that your teeth may shift back to their original positions, negating the benefits of your orthodontic work. Therefore, investing in new retainers after your crown placement is a wise decision to ensure the longevity of your orthodontic results.

In summary, after a root canal and the placement of a porcelain crown, it is likely that you will need new retainers to ensure a proper fit and maintain the alignment of your teeth. It is essential to consult with both your orthodontist and the dentist who performed the crown procedure to determine the best course of action. This collaborative approach will help you achieve the best outcomes for your dental health and aesthetics.

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