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What Does “Okni” Mean, and Is Orthodontic Treatment Really Necessary?

E Pyeonhan Sesang Dental Clinic (Hwagok Branch) · 강서구 이편한세상치과의원 화곡&강서점 · July 29, 2025

Hello. This is E-Comfort Dental Clinic. ​ When you meet someone, where does your gaze first go? It goes to the face. ​ And among the features of the face, one of the important elem...

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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: E Pyeonhan Sesang Dental Clinic (Hwagok Branch)

Original post date: July 29, 2025

Translated at: April 20, 2026 at 3:41 PM

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

Hello.

This is E-Comfort Dental Clinic.

When you meet someone, where does your gaze first go?

It goes to the face.

And among the features of the face, one of the important elements that determine first impressions is the teeth.

Therefore, if the teeth are uneven or the shape of the teeth is not ideal, it is difficult to create a clean and bright image.

Among them, there is a type of teeth called “okni,” and in the case of okni, because the teeth are not shaped nicely, the impression may seem stern.

Also, not only from a simple aesthetic perspective but also in terms of dental function, it can have an effect, so if necessary, it is better to receive orthodontic treatment.

Today, along with the exact meaning of okni, we will take a detailed look at why okni should be treated.

What Does “Okni” Mean, and Is Orthodontic Treatment Really Necessary? image 1

What does okni mean?

In everyday life, when looking at someone whose teeth are not evenly aligned, people say they “look like they have okni.”

So what exactly does okni mean?

In fact, okni is not the official term used in dentistry.

In general, when teeth are pushed inward, this is called okni.

When viewed from the front, the teeth are angled inward, so the lower teeth often protrude farther forward than the upper teeth.

This is an important issue that also affects the bite.

Therefore, if okni is severe, it is advisable to visit a dental clinic, receive an accurate diagnosis, and then decide whether orthodontic treatment is needed.

What Does “Okni” Mean, and Is Orthodontic Treatment Really Necessary? image 2

What causes okni?

Then why does okni occur?

The causes of okni can largely be divided into two types.

If the original structure of the teeth has been pushed inward due to genetic factors, there is a high possibility that okni will occur.

Therefore, if one of your parents has okni, it is likely that okni developed due to genetic factors.

Okni can also develop due to acquired factors.

Habits such as breathing through the mouth, or thumb-sucking for long periods of time, can affect the direction of jaw growth and the shape of the teeth, leading to okni.

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Why should okni be corrected?

When okni occurs, it affects the bite and the teeth are not properly aligned, so aesthetics can be reduced.

However, many people do not feel inconvenienced by okni and think, “Do I really need to get it corrected?”

Orthodontic treatment is not simply a dental procedure for aesthetics.

When the bite is reversed, or when the teeth are uneven, making oral care difficult, and when the position is abnormal, making it difficult to cut or chew food, it is important to restore dental function through orthodontic treatment.

The same applies to okni.

When the front teeth are pushed inward, it becomes difficult to cut food, so you end up relying on the molars when chewing, and this can easily cause the molars to wear down.

In addition, okni can easily strain the temporomandibular joint. It disrupts the bite between the upper and lower jaws, which creates prolonged tension in the jaw joint.

As a result, it can cause jaw pain, headaches, and facial pain.

Lastly, speech problems may occur.

Because the angle of the front teeth is different from the normal angle, sounds such as “s” and “j” may be difficult to pronounce.

Therefore, if these problems occur, orthodontic treatment is recommended at that time.

What Does “Okni” Mean, and Is Orthodontic Treatment Really Necessary? image 4

Okni is more than just an aesthetic issue; it is a factor that affects overall oral function.

Therefore, to fundamentally restore dental function, orthodontic treatment is recommended at this time.

At the dental clinic, by comprehensively examining a person's jawbone condition and bite, the angle of the front teeth, and the condition of the surrounding teeth, we hope you can regain a healthy mouth through orthodontic treatment.

Thank you.

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