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Yonsei Baro Dental Clinic · 치과미슐랭 · June 12, 2026
Hello. This is Yonsei Baro Dental Clinic, a pediatric orthodontic clinic in Apgujeong. Today, I would like to introduce orthodontic treatment for a child with protruding teeth. Thi...
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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 12, 2026
Translated at: August 17, 2026 at 3:55 PM
Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.
Hello.
This is Yonsei Baro Dental Clinic, a pediatric orthodontic clinic in Apgujeong.
Today, I would like to introduce orthodontic treatment for a child with protruding teeth.
This child underwent orthodontic treatment with Invisalign First. If the timing is right, treatment can sometimes be completed in one course, including permanent-teeth orthodontics.
Some people may ask, “Is that really necessary for pediatric orthodontics?”
However, the goal at Yonsei Baro Dental Clinic in Apgujeong is to achieve results that make additional orthodontic treatment in adulthood unnecessary.
2022.09~2024.12
This child first visited us in September 2022 for pediatric orthodontic treatment.
The concerns were protruding teeth and spaces between the teeth.
2022.09
Seen from the side, the upper front teeth were considerably protruded.
The permanent canines had already begun erupting.
2022.09
A deep bite was also visible, with the upper teeth covering much of the lower teeth, making the lower front teeth difficult to see.
There was also a midline discrepancy.
22.09
The X-ray indicated that, by making good use of the 18-month guarantee period, this case could be completed through permanent-teeth orthodontics.
22.09
In most cases, children visit for orthodontic treatment because there is insufficient space, causing the front teeth to erupt crookedly.
However, as in this patient’s case, there are also cases in which the problem is that there is too much space.
We decided to begin pediatric orthodontic treatment with Invisalign First and proceeded with fabrication of the aligners.
The first aligner was worn in October 2022.
This is how the teeth looked after wearing all 31 aligners in the first set through June 2023.
23.12
The deep bite was still present,
23.12
but the flaring and protrusion of the front teeth had improved considerably.
23.12
During this period, the remaining primary teeth fell out and the permanent teeth began descending.
At this point, we entered a strategic rest period.
A rest period means waiting for the permanent teeth to erupt while wearing aligner number 31 from the first set only at night and wearing nothing during the day.
The more permanent teeth that have erupted before remaking the aligners, the more comprehensive the treatment can be.
The rest period lasted seven months, through December 2023.
From January 2024, the patient began wearing the additional aligners in the second set.
24.5
There were 17 additional aligners.
This is how the teeth looked after all the aligners in the second set had been worn through May 2024.
The deep bite had been resolved in the second set, but the midline was still not ideal.
24.05
The additional aligners also included rubber-band wear to adjust the molar occlusion and midline.
The round metal rings are attachments for the rubber bands.
24.05
In the meantime, all of the permanent teeth had erupted.
Because the midline was still not ideal, one more set of aligners was used from June through October 2024.
There were 16 aligners in the third set.
After waiting for the molar occlusion to stabilize, orthodontic treatment was finally completed in December 2024.
24.12
The improved midline achieved with the additional aligners can be seen.
24.12
Even in pediatric orthodontics, retainers are provided in the same manner as for adults.
Since the results of fixed wire retainers and removable retainers are comparable to those of adult orthodontic treatment,
retainer wear must also be thorough.
Let us compare the before and after results.
2022.09~2024.12
The goal of pediatric orthodontic treatment with Invisalign First is to achieve results comparable to adult orthodontic treatment, and that is how we approach treatment.
2022.09~2024.12
Improvement in the flaring and protrusion of the front teeth
2022.09~2024.12
2022.09~2024.12
2022.09~2024.12
The root parallelism is good, and the second molars are erupting.
2022.09~2024.12
As the protrusion of the upper teeth was resolved, the lips can now close comfortably.
Invisalign First can overcome the limitations of pediatric orthodontics and achieve good results comparable to adult orthodontic treatment when the treatment plan is strategically designed.
I hope this has been useful information for those considering pediatric orthodontic treatment.
Pediatric orthodontics is not simply a treatment to straighten the current visible alignment of the teeth.
It is most important to predict the positions and growth directions of the permanent teeth that will erupt in the future and establish a treatment plan accordingly. In particular, Invisalign First can create space and guide tooth eruption in accordance with changes in the dentition of growing children.
Therefore, when the timing and treatment plan are appropriate, it can achieve results that may make additional orthodontic treatment in adulthood unnecessary.
If you are concerned about protruding front teeth, a deep bite, or spaces between the teeth, we recommend receiving an examination from an orthodontic specialist at the appropriate time. By making good use of the possibilities of the growth period, you may expect a more efficient and stable treatment outcome.
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