Can I Keep My Existing Dental Crown After Orthodontic Treatment? - Dentistry

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Can the original dental crown be reattached after temporary braces are placed?


Six years ago, I underwent root canal treatment due to a cavity, resulting in a metal-ceramic crown.
Recently, I am considering orthodontic treatment.

Question 1: If I use Invisalign, can I keep the original crown without needing a temporary crown for movement?
Question 2: If I opt for traditional treatment and need to wear a temporary crown during the orthodontic process, will I be able to reuse the original metal-ceramic crown afterward, or will I need to pay to have a new one made?
Thank you for your guidance!

Ms. Tseng, 20~29 year old female. Ask Date: 2023/12/12

Dr. Lin Jiayong reply Dentistry


Hello: Whether it's traditional braces or Invisalign, even after completely removing the old metal ceramic crowns, about 80% of patients still want to get new aligners afterward.
This is because the alignment and occlusion of the teeth have changed compared to the original teeth.
Reattaching the old dentures may lead to poor aesthetics and discomfort in occlusion, which contradicts the initial purpose of seeking orthodontic treatment.

Reply Date: 2023/12/12

More Info


When it comes to orthodontic treatment and existing dental crowns, there are several important considerations to keep in mind. Your questions regarding the use of Invisalign (clear aligners) and traditional braces in conjunction with your existing dental crown are quite common among patients who have undergone root canal treatment and received crowns.

Question 1: Can I keep my existing dental crown while using Invisalign?
In most cases, if your existing dental crown is stable and properly fitted, you can keep it while undergoing treatment with Invisalign. The clear aligners are designed to fit over your teeth, including any crowns, without requiring temporary crowns or other modifications. However, it is crucial to ensure that the crown is in good condition and that there are no underlying issues, such as decay or instability, that could affect the treatment. Your orthodontist will evaluate your dental crown and overall oral health before proceeding with Invisalign to ensure that it will not interfere with the movement of your teeth.

Question 2: If I opt for traditional braces, can I reuse my existing crown after treatment?
If you choose to undergo traditional orthodontic treatment with braces, the situation may differ. Typically, traditional braces require the placement of brackets on each tooth, and this could potentially affect the integrity of your existing crown. If the crown is well-adhered and there are no issues with it, your orthodontist may be able to work around it. However, there is a risk that the crown could become damaged during the process, especially if it is older or if the bonding material has weakened over time.

If your crown does sustain damage during orthodontic treatment, you may need to replace it. In some cases, orthodontists recommend placing a temporary crown during treatment to protect the tooth and ensure that the orthodontic forces are applied correctly. After the braces are removed, if your original crown is still intact and in good condition, it may be possible to reuse it. However, if it has been compromised, you will likely need to invest in a new crown.

Additional Considerations:
1. Communication with Your Dental Team: It is essential to have open communication with both your orthodontist and your dentist. They can work together to create a treatment plan that considers the condition of your crown and your overall dental health.

2. Monitoring Oral Health: Throughout your orthodontic treatment, regular check-ups with your dentist are crucial. They can monitor the condition of your crown and surrounding teeth, ensuring that any issues are addressed promptly.

3. Potential for Tooth Movement: Keep in mind that the movement of teeth during orthodontic treatment can sometimes affect the fit of existing crowns. If your teeth shift significantly, it may alter how the crown fits, necessitating adjustments or replacement.

4. Cost Considerations: If you do need to replace your crown after orthodontic treatment, it is important to factor in the cost of a new crown into your overall treatment budget. Discussing this with your dental insurance provider may also provide insight into coverage options.

In conclusion, whether you can keep your existing dental crown during orthodontic treatment largely depends on the condition of the crown and the type of orthodontic treatment you choose. Consulting with your orthodontist and dentist will provide you with the best course of action tailored to your specific situation. Remember, maintaining good oral hygiene and regular dental visits will help ensure the success of both your orthodontic treatment and the longevity of your dental crown.

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