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Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic

Yonsei Yegam Dental Clinic · 시청역치과 연세예감치과 블로그 · March 12, 2026

If the gap between the front teeth is a little or a lot open, it can be very noticeable. This is because the black empty space between the white teeth stands out when taking photos...

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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 Yegam Dental Clinic

Original post date: March 12, 2026

Translated at: April 20, 2026 at 2:34 AM

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

If the gap between the front teeth is a little or a lot open, it can be very noticeable.

This is because the black empty space between the white teeth stands out when taking photos, smiling, or speaking.

If there is a small gap between the front teeth (a tooth-spacing gap), simple resin treatment can often naturally fill it in within a single day, in about 30 minutes to 1 hour,

and help resolve a lifelong complex.

Today, we will introduce a case of closing a gap between the front teeth with resin at Yonsei Yegam Dental Clinic, located a 3-minute walk (230 meters) from Exit 7 of City Hall Station.

Our Yonsei Yegam Dental Clinic is located near City Hall Station, making it easy to visit from Jongno, Gwanghwamun, and Seoul Station as well.

Front-tooth gaps can occur for various reasons, such as:

  • when the teeth are small compared to the available space

  • when the teeth are spaced apart

  • when the teeth themselves are small

  • when a small space remains after orthodontic treatment

  • due to the gums or tooth shape, etc.

In such cases, orthodontic treatment may be needed, but if the space is somewhat small, it can be quickly improved with resin treatment.

Now, let me show you an actual case treated at our clinic.

We only post photos with the patients’ consent.

In a way, this is tooth shaping, but because our clinic performs resin treatment to fill the gap between the front teeth without removing tooth structure,

you will not feel sensitivity or pain.

Resin treatment for the gap between front teeth / gaps (spaces)

Yonsei Yegam Dental Clinic at City Hall Station

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 1

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 2

Try to find where it was filled!

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 3

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 4

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 5

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 6

Sometimes, even after orthodontic treatment at another clinic,

the teeth become spaced apart again like in the photo below, and resin treatment is performed.

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 7

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 8

Guide to the cost of resin treatment for gaps between the front teeth

Resin treatment for a gap between the front teeth is

a more difficult procedure than ordinary molar cavity resin treatment.

For molar cavity resin treatment, if it is very small: about 80,000 won / typical case: 100,000 to 120,000 won / large and deep case: about 150,000 won, but

resin treatment for a gap between the front teeth for cosmetic rather than cavity purposes (diastema) costs 300,000 won per tooth surface.

The examination and consultation for resin treatment are subject to the health insurance fees set by the country.

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 9

In cases like the photo above, where resin only needs to be attached asymmetrically to one tooth, the cost is 300,000 won.

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 10

If the gap is between the two center front teeth like in the photo above,

resin must be applied to both teeth to create a symmetrical shape on both sides,

so you can think of it as 300,000 won × 2 teeth = 600,000 won total.

Resin treatment that fills the gap between the front teeth should be seen as almost purely cosmetic and almost like plastic surgery.

(However, resin treatment to fill gaps between the front teeth does not involve removing tooth structure.)

Why resin treatment for filling gaps between the front teeth is difficult

"Matching the color and shape is difficult."

Molars are deep inside the mouth, so direct light does not hit them as much,

and even if the color is slightly different, it is not very noticeable.

But front teeth are directly exposed to light and visible from the front, so

matching the various colors, translucency, and shapes of the teeth is much more important than with molars. A single tooth can have many different shades.

To make it look natural,

a detailed process of matching the tooth color and shape is necessary.

Usually, the treatment takes about 30 minutes to 1 hour, (about 1 hour when you come in; if there are many teeth, you need to reserve more time)

and from the patient’s perspective, it is a relatively simple treatment that can improve concerns about the front teeth.

But from the dentist’s perspective, it is a more delicate and difficult procedure than expected.

Compared with the molar cavity resin treatments many people receive,

resin treatment between the front teeth requires much more delicate work.

Resin treatment that fills the space between the front teeth does not remove tooth structure,

but because it changes the shape, it is a form of cosmetic and aesthetic treatment. It is a cosmetic treatment that many people from overseas receive while visiting as tourists, and the satisfaction rate is high.

Our Yonsei Yegam Dental Clinic has various shades of resin and

a variety of tools for resin treatment to close gaps between the front teeth. Resin treatment for gaps between the front teeth cannot be done naturally with the same resin shades used for molars.

If you are worried about gaps between your front teeth,

there are various options such as orthodontics, veneers, and resin.

Be sure to consult with the dentist who will treat you and choose the appropriate method.

Our Yonsei Yegam Dental Clinic at City Hall Station

is well known for being visited by tourists from overseas

who want to create beautiful and healthy teeth.

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 11

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 12

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 13

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 14

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 15

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 16

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 17

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 18

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 19

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 20

Can Gaps Between the Front Teeth Be Filled with Resin? Cost and Price Too. Jongno Dental Clinic / Gwanghwamun Dental Clinic image 21

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