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Gum Filler: When the Empty Space Between Teeth Becomes a Concern

id Dental Clinic · id병원치과, 아이디치과 · July 28, 2025

Until then, I hadn’t really paid much attention to it. But I recently had a scaling for the first time in a while, and the empty spaces between my teeth stood out more than usual....

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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: id Dental Clinic

Original post date: July 28, 2025

Translated at: April 20, 2026 at 3:53 PM

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

Until then, I hadn’t really paid much attention to it.

But I recently had a scaling for the first time in a while,

and the empty spaces between my teeth stood out more than usual.

If you leave it alone without getting gum filler, will it keep getting worse?

Hello, I’m Yang-gu Lee, the chief director of ID Dental Clinic.

When many people visit the dentist for various treatments such as orthodontics,

crowns, or veneers, they often naturally ask about other things they’ve been curious about in everyday life.

Gum Filler: When the Empty Space Between Teeth Becomes a Concern image 1

Among these, one topic that many people are especially curious about is

the empty space between teeth,

a phenomenon commonly called a “black triangle” in dental terms.

From a patient’s perspective, black triangles are often a concern because they do not look aesthetically pleasing.

That is why many people worry about whether they should receive gum filler treatment simply because it does not look good aesthetically.

Gum Filler: When the Empty Space Between Teeth Becomes a Concern image 2

However, if black triangles are left untreated for a long time,

they can lead to various dental problems, so caution is still needed.

Today, at ID Dental Clinic, we’ll explain in more detail the black triangle phenomenon,

which refers to the empty space between teeth,

together with gum filler.

Gum Filler: When the Empty Space Between Teeth Becomes a Concern image 3

If black triangles are left untreated,

what dental problems can occur?

First of all, if a tooth already has a visible black triangle,

aesthetic concerns may come up first.

The empty spaces between teeth that are not filled by the gums

can often create an impression of aging or imbalance,

causing various inconveniences in daily life.

In fact, our teeth are one of the parts of the body that are clearly visible first

when talking with many people,

smiling, or laughing broadly,

so it is not uncommon for people to seek gum filler for this reason.

In a way, teeth clearly play a major role not only functionally

but also aesthetically,

so for this reason alone, gum filler can be a necessary treatment.

Gum Filler: When the Empty Space Between Teeth Becomes a Concern image 4

The second problem is hygiene.

In the empty space created because the gums have not fully filled in,

small food particles are more likely to get caught more easily and more often.

Therefore, teeth with black triangles

are more vulnerable to periodontal disease than teeth without this condition.

Even if you brush consistently and take good care of them,

the black triangle area is often so wide

that it becomes a blind spot that is difficult to reach with a toothbrush or floss,

so due to structural limitations, the risk of gum inflammation such as gingivitis and periodontitis is high.

If the resulting inflammation progresses to the point where the alveolar bone is also resorbed,

it can spread to adjacent teeth and create a vicious cycle.

Gum Filler: When the Empty Space Between Teeth Becomes a Concern image 5

The third problem is that as support weakens

and tooth wear becomes more severe, the gap can widen much more,

making the empty space even larger.

Teeth touch adjacent teeth and support one another to maintain alignment,

but if there is a black triangle, that support may be weakened.

This type of space can appear as a result of aging, when periodontal disease develops

and the gums naturally collapse,

or when tooth alignment changes due to orthodontic treatment.

How can this black hole between teeth, the black triangle, be treated?

Gum Filler: When the Empty Space Between Teeth Becomes a Concern image 6 ID Dental Clinic Gum Filler What are the features of “Gumide Filler”?

Our ID Dental Clinic gum filler, “Gumide Filler,”

works by directly injecting a hyaluronic acid-based filler into the gums that have sunk down and failed to fill the space between teeth,

naturally restoring the volume of the gum tissue.

Here, “hyaluronic acid-based” refers to a sugar component that exists naturally in the human body

and is a viscoelastic substance distributed at high concentrations in the skin, joints, eyes, gums, and other areas.

It mainly helps maintain moisture in the body

and plays very important roles such as cushioning tissue in various areas.

Therefore, because it is the same as a naturally occurring component of the human body,

immune rejection reactions to hyaluronic acid are considered to be almost nonexistent.

Gum Filler: When the Empty Space Between Teeth Becomes a Concern image 7

Moreover, ID Dental Clinic’s Gumide Filler preserves the natural shape of the teeth as much as possible,

while naturally filling only the gum spaces of black triangles,

so it complements a much healthier aesthetic without compromising the patient’s original tooth line or facial impression.

In addition, Gumide Filler can be performed together with prosthetic treatment or orthodontic treatment,

which can further improve the aesthetic result of the procedure.

It is provided comprehensively for a more ideal aesthetic smile.

Gum Filler: When the Empty Space Between Teeth Becomes a Concern image 8

So far, we’ve explained in detail the “black triangle,” which refers to the empty space between teeth,

together with ID Dental Clinic’s gum filler, Gumide.

Since Gumide Filler is completed in about 10 minutes on average,

it is one of the relatively simple and uncomplicated procedures.

Therefore, while it is fine to look into it if you need it,

it is still a dental procedure, after all,

so we recommend proceeding only after having a thorough consultation.

In addition, the gum filler procedure introduced today may be especially helpful for those who suddenly notice a black triangle, meaning an empty space, between their teeth,

or for those whose interdental gums have receded after orthodontic treatment or implants.

We hope that with more careful thought and a wise choice,

you can regain a beautiful, confident smile.

Thank you.

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ID Dental Clinic ID Building, 142 Dosan-daero, Gangnam-gu, Seoul (2nd–4th floors)

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