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Yonsei Baro Dental Clinic · 치과미슐랭 · June 5, 2026
Hello, This is Yeonse Baro Dental Clinic, an orthodontic clinic in Apgujeong. Q. Can orthodontic treatment for the permanent teeth be completed in one course with Invisalign Firs...
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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 5, 2026
Translated at: August 17, 2026 at 4:02 PM
Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.
Hello,
This is Yeonse Baro Dental Clinic, an orthodontic clinic in Apgujeong.
Q. Can orthodontic treatment for the permanent teeth be completed in one course with Invisalign First?
Hello. This is Yeonse Baro Dental Clinic, an orthodontic clinic in Apgujeong.
There is a question many parents and guardians ask:
"Can Invisalign First alone produce results good enough that the child will not need orthodontic retreatment as an adult?"
To give you the conclusion first,
it is possible if treatment is started at the appropriate time and a treatment plan is established with the child’s growth and tooth eruption taken into consideration.
At Yeonse Baro Dental Clinic, our goal is not simply to straighten the teeth, but to achieve a stable bite that is unlikely to require retreatment in adulthood.
Today, we would like to introduce an actual Invisalign First treatment case.
2022.09~2024.12
This patient visited us in September 2022 for pediatric orthodontic treatment.
The concerns the patient wanted to improve were protrusion and spacing between the teeth.
2022.09
Seen from the side, the upper teeth were considerably protruded.
The permanent canines had already begun to erupt.
2022.09
The upper teeth covered much of the lower teeth, showing a deep bite in which the lower front teeth were not easily visible.
A midline discrepancy was also visible.
2022.09
The X-ray showed that, if the 18-month warranty period was used effectively, this was a case in which orthodontic treatment for the permanent teeth could also be completed.
2022.09
In most pediatric orthodontic cases, patients visit because the front teeth erupt crookedly due to insufficient space.
However, as in this case, there are also situations in which excessive space is the problem.
We decided to proceed with pediatric orthodontic treatment using Invisalign First and began fabricating the appliances.
The first appliance was worn in October 2022. The image below shows the patient after wearing all 31 appliances 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 to come in.
From this point, we strategically entered a rest period.
A rest period means waiting for the permanent teeth to erupt while wearing the final, 31st appliance from the first set only at night and not wearing anything during the day.
More can be accomplished if the appliances are remade after as many permanent teeth as possible have erupted.
The patient had a seven-month rest period through December 2023.
Beginning in January 2024, the patient started wearing the additional appliances in the second set.
24.05
The additional set consisted of 17 appliances.
This is the patient after wearing all the appliances in the second set through May 2024.
The deep bite was resolved with the second set, but the midline still needed improvement.
24.05
The additional appliances also included elastics to adjust the molar relationship and midline.
The round metal rings are hooks for the elastics.
24.05
In the meantime, all of the permanent teeth had erupted.
Because the midline still needed improvement, the patient used one more set of third-stage appliances from June through October 2024.
The third set consisted of 16 appliances.
After waiting for the molar bite to stabilize, orthodontic treatment was finally completed in December 2024.
24.12
The midline was improved through the additional appliances.
24.12
The bite showed a Class I molar relationship. We do not complete treatment if the bite is not satisfactory.
24.12
Even in pediatric orthodontic treatment, retainers are provided to the same extent as for adults.
Since the results are comparable to those of adult orthodontic treatment, retention must also be managed thoroughly, including both fixed wire retainers and removable retainers.
Let’s compare the results before and after treatment.
2022.09~2024.12
For pediatric patients treated with Invisalign First, our goal is to achieve results comparable to adult orthodontic treatment, and we provide treatment accordingly.
2022.092024.12
Improvement in the flaring and protrusion of the front teeth
2022.09~2024.12
2022.09~2024.12
2022.09~2024.12
The root angulation was satisfactory, and the second molars were erupting.
2022.09~2024.12
As the protrusion of the upper teeth was resolved, the patient could close their lips comfortably.
Q. What is the greatest advantage of Invisalign First?
Invisalign First is not simply an appliance for arranging children’s teeth.
If a treatment plan is strategically established with growth and the eruption of the permanent teeth taken into consideration,
it is a pediatric orthodontic system that can be used with the goal of achieving results comparable to adult orthodontic treatment.
This case also involved managing the eruption of the permanent teeth while improving lip protrusion, spacing between the teeth, the deep bite, and the midline discrepancy.
We hope this has been helpful to parents and guardians who are considering pediatric orthodontic treatment.
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