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Protrusive Mouth Orthodontics: Achieve Both Aesthetics and Function! Gangnam Station Dr. Prime Dental Clinic Orthodontic Specialist of 25 Years

Dr. Prime Dental Clinic · 강남역교정치과 닥터프라임치과 · May 26, 2025

​ Hello, this is Dr. Prime Dental Clinic! Today, I’d like to talk about protrusive mouth orthodontics, which many people are curious about. ​ In orthodontic clinics, many people co...

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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: Dr. Prime Dental Clinic

Original post date: May 26, 2025

Translated at: April 20, 2026 at 4:45 PM

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

Protrusive Mouth Orthodontics: Achieve Both Aesthetics and Function! Gangnam Station Dr. Prime Dental Clinic Orthodontic Specialist of 25 Years image 1

Hello, this is Dr. Prime Dental Clinic!

Today, I’d like to talk about protrusive mouth orthodontics, which many people are curious about.

In orthodontic clinics, many people come in for treatment with the goal of correcting protruding teeth.

When they walk into the consultation room, they say things like:

"My mouth sticks out a bit. I heard orthodontic treatment can bring it back—if I get braces, will my protrusive mouth be reduced a lot?"

To start with the conclusion: yes, that’s right. With protrusive mouth orthodontics, the mouth can be sufficiently brought back.

But the important thing here is that this is not all there is.

The changes you can gain through protrusive mouth orthodontics are not limited to improved appearance.

There are many other benefits that many people do not realize.

Let’s go over them together now.

Protrusive Mouth Orthodontics: Achieve Both Aesthetics and Function! Gangnam Station Dr. Prime Dental Clinic Orthodontic Specialist of 25 Years image 2 Before starting orthodontic treatment

I have operated an orthodontic specialty dental clinic for 25 years and have experienced countless cases of protrusive mouth orthodontics.

The more treatments I do, the more I feel that the biggest reward comes from seeing patients satisfied and happy with their changed appearance.

Knowing that we were a small help in their lifelong journey is also a great source of pride.

So today, I’ll explain protrusive mouth orthodontics, which many people are concerned about! General treatment steps for protrusive mouth orthodontics (case with premolar extraction)

Protrusive Mouth Orthodontics: Achieve Both Aesthetics and Function! Gangnam Station Dr. Prime Dental Clinic Orthodontic Specialist of 25 Years image 3 Left: Before protrusive mouth orthodontics / Right: After protrusive mouth orthodontics

The most noticeable change from protrusive mouth orthodontics is the side profile.

To move protruding front teeth backward, four premolars are extracted, and the approximately 6–7 mm of space created is used to move the front teeth back.

This changes the protruding mouth shape into a natural, refined straight line.

As a result, the overall impression becomes softer, and the face takes on a more balanced line. Your expression becomes softer, and breathing becomes easier

Protrusive Mouth Orthodontics: Achieve Both Aesthetics and Function! Gangnam Station Dr. Prime Dental Clinic Orthodontic Specialist of 25 Years image 4 After 8 months

People with a protrusive mouth tend to force their mouth shut when closing it.

But at that time, not only the muscles around the mouth but also the facial expression muscles across the entire face are pulled tight, which can make the expression look stiff and unfriendly.

This is especially noticeable when meeting someone for the first time or standing in front of the public, as tension makes this impression even stronger. However, after protrusive mouth orthodontics, the mouth closes comfortably, allowing the facial muscles to relax overall.

That’s why the expression looks much softer and more relaxed.👍

One positive change is that communication with other people also becomes better! Another thing: because people with a protrusive mouth have difficulty keeping their mouth closed, they often end up breathing through their mouth without realizing it.

Mouth breathing can be less favorable for health than nose breathing because the quality of oxygen is lower, and it does not provide filtration of bacteria or temperature regulation.

As a result, concentration may drop, and it may become difficult to get deep sleep.

But after protrusive mouth orthodontics, the mouth closes naturally and breathing shifts to the nose, which can improve concentration and sleep quality.

In fact, after treatment, we often hear comments like, “My work productivity improved,” and “I started sleeping better.”

Clearer pronunciation, and your impression changes even as you age

Protrusive Mouth Orthodontics: Achieve Both Aesthetics and Function! Gangnam Station Dr. Prime Dental Clinic Orthodontic Specialist of 25 Years image 5 After 1 year and 6 months

Many people are surprised, but protrusive mouth orthodontics also affects pronunciation. If the front teeth protrude, you need to exert effort to keep your mouth closed, and because the tongue position is not stable, speech can become slurred. In particular, you may feel disadvantaged when speaking quickly or giving a presentation..

Pronunciation is determined by three things: the position of the tongue, the position of the teeth, and the position of the lips. For example, when making sounds like ㅂ or ㅍ, most people naturally contact the upper and lower lips and pronounce them comfortably and clearly with the right amount of pressure.

However, for people with a protrusive mouth, effort is needed to keep the mouth closed, and because the front teeth protrude, the tongue may not press properly against the back of the front teeth, which can make pronunciation unclear.

Also, because you have to force your mouth closed, if the upper and lower lips need to meet, pronunciation becomes difficult, and speaking quickly may be hard.

Protrusive Mouth Orthodontics: Achieve Both Aesthetics and Function! Gangnam Station Dr. Prime Dental Clinic Orthodontic Specialist of 25 Years image 6 After 2 years and 6 months

💡 But! After orthodontic treatment, the front teeth return to their proper position, and the positions of the tongue and lips become more natural, making pronunciation much clearer.

This also allows for confident communication in interviews, lectures, presentations, and more.

▶ And there are also major long-term changes. As people age with a protrusive mouth, the muscles around the mouth can weaken, leading to wrinkles and a blurred impression. But if protrusive mouth orthodontics is done in advance, the muscles around the mouth and the facial expression muscles can remain harmonized even as you age, so you continue to have a comfortable and 밝은 expression.

That is why some people still seem dignified at age 60 or 70! Protrusive mouth orthodontics is orthodontics for life.

Orthodontic treatment costs money, takes time, and can be inconvenient.

But based on my 25 years of orthodontic experience, I believe protrusive mouth orthodontics is an investment of 5 million won that can bring life changes worth over 50 million won. Not only does appearance improve, but your entire life changes, including breathing, speaking, sleeping, working, and relationships.

If you are considering orthodontic treatment, please get a consultation now~!

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