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Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First

Yonsei Baro Dental Clinic · 치과미슐랭 · August 25, 2026

Hello. We are a children’s orthodontic clinic in Apgujeong. Although Invisalign First is an appliance designed for children’s orthodontics, when the timing is right, treatment can...

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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: August 25, 2026

Translated at: August 25, 2026 at 9:16 AM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

Hello.

We are a children’s orthodontic clinic in Apgujeong.

Although Invisalign First is an appliance designed for children’s orthodontics, when the timing is right, treatment can sometimes be completed through the permanent teeth stage in one course.

Some people occasionally ask, “Is it necessary to go that far for children’s orthodontics?” However, our goal is to provide treatment that makes it possible to avoid needing orthodontic treatment again as an adult.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 1

2022.09–2024.12

This child first visited us in September 2022 for children’s orthodontic treatment.

The concerns to be corrected were protruding teeth and spaces between the teeth.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 2

2022.09

From the side, the upper teeth were considerably protruded.

The permanent canines had already begun to erupt.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 3

2022.09

An overbite was visible, with the upper teeth covering the lower teeth so that the lower front teeth were difficult to see.

A dental midline discrepancy was also visible.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 4

2022.09

The X-ray showed that, by making good use of the 18-month guarantee period, this case could be completed through permanent-teeth orthodontic treatment.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 5

2022.09

Most children visit for orthodontic treatment because there is insufficient space, causing the front teeth to erupt crookedly.

However, as in this case, there are also situations where the problem is that there is actually too much space.

We decided to proceed with children’s orthodontic treatment using Invisalign First and began fabricating the appliances.

The first appliance was worn in October 2022. This image shows the teeth after all 31 appliances in the first set had been worn through June 2023.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 6

23.12

Although the overbite remained,

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 7

23.12

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 8

23.12

The remaining primary teeth fell out during this period, and the permanent teeth were beginning to erupt.

From this point, we scheduled a strategic break.

What is a treatment break?

  1. The final, 31st appliance from the first set is worn only at night, with no appliance worn during the day, while waiting for the permanent teeth to erupt.

More treatment can be carried out if the appliance is remade after as many permanent teeth as possible have erupted.

The treatment break lasted seven months, through December 2023.

Starting in January 2024, the patient began wearing the additional appliances in the second set.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 9

24.05

The additional set contained 17 appliances.

This image shows the teeth after all the appliances in the second set had been worn through May 2024.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 10

The overbite was corrected in the second set, but the midline still needed improvement.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 11

24.05

The additional appliances also included elastics to adjust the molar occlusion and dental midline.

The round metal rings are hooks for the elastics.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 12

24.05

In the meantime, all of the permanent teeth had erupted.

Because the midline still needed improvement, one additional set of appliances was used from June through October 2024.

The third set contained 16 appliances.

After waiting for the molar occlusion to stabilize, orthodontic treatment was finally completed in December 2024.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 13

24.12

The improved dental midline achieved with the additional appliances is visible.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 14

24.12

The occlusion shows a Class I molar relationship, and we do not complete treatment if the occlusion is unsatisfactory.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 15

24.12

Even for children’s orthodontics, the retainers are equivalent to those used for adults.

This includes fixed wire retainers as well as removable retainers.

Because the results are comparable to those of adult orthodontic treatment, retention must also be carried out thoroughly.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 16

22.09–24.12

For children treated with Invisalign First, the goal is a result comparable to adult orthodontic treatment.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 17

22.09–24.12

The protrusion and flaring of the front teeth were improved.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 18

22.09–24.12

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 19

22.09–24.12

The roots are well aligned, and the second molars are erupting.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 20

22.09–24.12

With the protrusion of the upper teeth corrected, the mouth closes comfortably.

Invisalign First can overcome the limitations of children’s orthodontics and achieve results comparable to adult orthodontic treatment when the treatment plan is strategically designed.

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 21

Children’s Orthodontics: Completing Treatment Through the Permanent Teeth Stage with Invisalign First image 22

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