Can Invisalign Help Fill the Gap for Missing Teeth? - Dentistry

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Can Invisalign be used to replace missing teeth?


Hello, doctor.
I previously had a dental examination where X-rays showed that my upper left canine is still a baby tooth and has a deep cavity.
Although it was treated before, the inside is black.
Additionally, I have an impacted tooth that is embedded in the bone and very close to my nasal cavity.
The doctor mentioned that the space for the decayed tooth is too small for an implant and recommended that I use orthodontics to create space.
I was advised to wait for the tooth to fall out on its own.
Recently, I noticed that the tooth is slightly loose, and there is a bit of gum recession.
Since I am not very keen on getting dentures, I would like to ask the doctor if it is possible to achieve the desired space without traditional orthodontics, but instead use Invisalign to accomplish this.

Yihuo, 10~19 year old female. Ask Date: 2021/07/14

Dr. Lin Jiayong reply Dentistry


Hello: If it involves moving an impacted tooth over a longer distance, it may be quite difficult to achieve the desired results solely with Invisalign.
It is recommended to confirm with an orthodontist before making a decision.
Sincerely, Lin Chia-Yung, Department of Dentistry, Taichung Hospital, Ministry of Health and Welfare.

Reply Date: 2021/07/14

More Info


Invisalign, a popular clear aligner system, can indeed be a viable option for addressing gaps caused by missing teeth, particularly in cases where traditional braces may not be preferred. However, it is essential to understand the specific circumstances surrounding your dental health and the nature of the gaps before determining the best course of action.

From your description, it seems that you have a retained primary canine (the baby tooth) that has significant decay and is not suitable for dental implants due to limited space. The recommendation to use orthodontics to create space for the eventual loss of this tooth is a common approach. The idea is to align the surrounding teeth in such a way that when the primary tooth eventually falls out, there will be adequate space for the permanent tooth to emerge or for a prosthetic solution if necessary.

Invisalign can be particularly effective in these situations for several reasons:
1. Gentle Movement: Invisalign works by applying gentle pressure to the teeth, which can help in gradually shifting them into the desired position. This gentle approach can be beneficial for patients with compromised dental health, as it minimizes the risk of further damage to the teeth and gums.

2. Aesthetic Appeal: One of the most significant advantages of Invisalign is its aesthetic appeal. The clear aligners are less noticeable than traditional braces, making them a popular choice for adults and teens who are concerned about their appearance during treatment.

3. Comfort: Invisalign aligners are made from smooth plastic, which can be more comfortable than traditional metal braces. This can be particularly important for patients who may have sensitive gums or teeth.

4. Removability: The ability to remove the aligners for eating, brushing, and flossing can help maintain oral hygiene, which is crucial, especially when dealing with existing dental issues.

However, there are some considerations to keep in mind:
- Assessment of Dental Health: Before proceeding with Invisalign, a thorough assessment by your orthodontist or dentist is necessary. They will need to evaluate the condition of your retained canine, the surrounding teeth, and the overall health of your gums. If there is significant gum recession or mobility in the affected tooth, it may complicate treatment.

- Space Creation: While Invisalign can help align teeth and create space, it may not be as effective in cases where significant space needs to be created quickly. If the primary canine is still present and has mobility, it may need to be extracted before starting orthodontic treatment to ensure that the surrounding teeth can be properly aligned.

- Long-Term Planning: It’s essential to have a long-term plan in place. If the goal is to eventually place an implant or another prosthetic tooth, your orthodontist should consider how the movement of your teeth will affect the placement of that restoration.

In conclusion, while Invisalign can be a suitable option for filling gaps and aligning teeth, it is crucial to have a comprehensive evaluation by a dental professional who can tailor the treatment plan to your specific needs. If you are hesitant about traditional braces and prefer a more aesthetic solution, discussing the potential of Invisalign with your orthodontist is a great next step. They can provide you with a detailed plan that considers your current dental situation and your long-term goals for your smile.

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