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Yonsei Baro Dental Clinic · 치과미슐랭 · June 30, 2026
Hello, This is Apgujeong Yonsei Baro Dental Clinic, specializing in Invisalign treatment and introducing children’s orthodontic treatment in Gangnam. The case I am introducing toda...
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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.
Clinic: Yonsei Baro Dental Clinic
Original post date: June 30, 2026
Translated at: August 17, 2026 at 3:02 PM
Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.
Hello,
This is Apgujeong Yonsei Baro Dental Clinic, specializing in Invisalign treatment and introducing children’s orthodontic treatment in Gangnam.
The case I am introducing today is also a pediatric orthodontic case that was completed through to the patient’s adult teeth.
Q. Is Invisalign First finished after just one course of treatment?
No.
Children’s jaws and teeth continue to change as they grow.
In particular, teeth that erupt later, such as the canines and premolars, may not be visible at the time of treatment and may change position several months later.
For this reason, Invisalign First treatment is designed with these growth-related changes in mind.
In this patient’s case as well, the alignment of the front teeth was maintained very well, but as the canines erupted, a lack of space developed and additional treatment was needed.
22.09
Instead of fixed braces, which can be noticeable for a child actor, treatment began with Invisalign First clear aligners.
The aligners were worn diligently, and the images show the changes from September 2022 to May 2023.
2022.09–2023.05
After the front teeth became nicely aligned, a fixed wire retainer was attached, and we took a short break while waiting for the canines to erupt.
During this break, the last aligner worn was used only while sleeping, allowing the patient to continue comfortably.
During regular checkups at three-month intervals, the canines began to erupt, and we observed that the space available for them was slightly narrow.
We decided to wait until the canines had erupted sufficiently before fabricating new aligners. We intentionally waited seven more months and began the refinement in January 2024.
24.01
Q. Why do canines often cause problems?
The canines are the front teeth that descend into position the latest.
Even a slight lack of space can easily lead to:
Crowding
Rotation
Eruption toward the gum
For this reason, pediatric orthodontic treatment involves carefully monitoring the timing of canine eruption.
24.01
The lower teeth were maintained well and had no problems. However, the upper canine did not have enough space and can be seen erupting in a rotated position, similar to a crowded tooth.
This is why Invisalign First provides an 18-month warranty period.
It allows unexpected changes to be corrected.
Problems identified within the warranty period can be addressed through additional treatment.
Refinement was started, and the patient wore one additional set of aligners for six months, through July 2024.
This is how the teeth looked after wearing the final aligner.
24.07
The canine that had erupted in a crowded position was aligned well. In the meantime, the last four primary molars had fallen out, and the permanent premolars were coming down into position.
The patient had finally entered the permanent dentition stage.
24.07
To help the premolars descend properly and establish an appropriate bite, metal hooks were attached to the teeth, and removable rubber bands were prescribed.
After wearing the rubber bands for two months to stabilize the premolar bite, all treatment was finally completed in September 2024.
24.09
The dental midline is accurately aligned.
24.09
The molar bite shows a Class I occlusal relationship.
24.09
The alignment is also good.
Meanwhile, even the second molars, which erupt last, are coming in well.
Although treatment began with a pediatric orthodontic appliance, the results are good enough that further orthodontic treatment in adulthood is not expected to be necessary.
This is one of the concerns frequently raised by people seeking pediatric orthodontic treatment.
They often say:
“I heard that if you have orthodontic treatment as a child, your teeth will shift again.”
Whether the patient is an adult or a child, it is important to diligently wear both the wire retainer bonded semi-permanently behind the front teeth and the removable retainer.
If the retainers are defective or not worn, the teeth may shift again.
Even after orthodontic treatment has been completed successfully, the retainers must be checked carefully during the retention period to maintain these results.
2022.09–2024.09
The dental midline is well aligned, and the deep overbite, in which the front teeth bite too deeply, has also improved.
If you look closely at the area marked by the blue arrow, you can see that the shape of the central incisors has changed.
As can be seen in the photograph, teeth with a barrel-shaped form may still appear to have flared edges even after the front teeth have been properly aligned.
This type of tooth-shape concern can be addressed in adults with no-prep veneers. However, when a child has a career that makes appearance important, such as acting, it can be unfortunate to simply wait until they reach the age when no-prep veneers are appropriate.
A simple composite resin treatment can change a child’s smile.
2022.09–2024.09
2022.09–2024.09
The 18-month warranty period provided with Invisalign First may seem short to some and long to others.
For patients undergoing pediatric orthodontic treatment with Invisalign First, regular checkups are scheduled with refinement in mind, especially during the 17th month, just before the warranty period ends.
I will finish by summarizing a few frequently asked questions.
Q. Can Invisalign First reduce the need for orthodontic treatment in adulthood?
By appropriately guiding the development of the teeth and jaws during growth, it may be possible to avoid orthodontic treatment in adulthood or reduce its extent in some cases.
Q. Why is the Invisalign First warranty period important?
Because additional aligners can be used to address issues such as insufficient space or tooth rotation that develop as the canines and premolars erupt.
Q. Why are regular checkups necessary even after treatment?
Because a child’s tooth alignment can continue to change during growth. Regular checkups allow the eruption and retention status to be monitored and any necessary measures to be taken at the appropriate time.
An Invisalign First consultation may be worth considering in the following cases.
✔ Crooked or crowded front teeth
✔ The space for the canines appears insufficient
✔ Concern about crowded canines
✔ An overbite is present
✔ A child is uncomfortable with fixed braces
✔ Aesthetic orthodontic treatment is needed because of school life, acting, broadcasting, or similar activities
Invisalign First is a clear orthodontic appliance for growing children. It manages not only tooth alignment but also the changes that occur during growth.
For 18 months, additional aligners can be fabricated and treatment can continue when needed because of growth-related changes.
Because the canines and premolars continue to erupt after treatment, unexpected crowding or rotation may occur.
Yes. Retainers must be worn properly to maintain the orthodontic results for a long time.
Not in every case, but if appropriate treatment and management are provided during growth, adult orthodontic treatment may not be necessary or its scope may be reduced in some cases.
#InvisalignFirst #Children’sClearAligners #PediatricOrthodontics #GangnamChildren’sOrthodontics #ApgujeongOrthodonticClinic #CanineOrthodontics #GrowthPeriodOrthodontics #ClearAligners #PermanentTeethOrthodontics
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