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Seonjeongneung Station Dentist: Gum Contouring—Please Read This Only If Your Gums Show First When You Smile

D-Day Dental Clinic · 디데이치과 대표원장 2명의 치아백과 · July 21, 2026

Seonjeongneung Station Dentist: Gum Contouring, Only for Those Whose Gums Show First When They Smile Please Read This ​ ​ ​ Hello. I am Kim Moo-jin, the director of D-Day Dental Cl...

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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: D-Day Dental Clinic

Original post date: July 21, 2026

Translated at: August 17, 2026 at 1:33 PM

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

Seonjeongneung Station Dentist: Gum Contouring,

Only for Those Whose Gums Show First When They Smile

Please Read This

Hello.

I am Kim Moo-jin, the director of D-Day Dental Clinic, where our goal is to provide pain-free treatment.

Seonjeongneung Station Dentist: Gum Contouring—Please Read This Only If Your Gums Show First When You Smile image 1

After taking a group photo, there are moments when you zoom in on the screen to look at your face.

When you smile brightly but your gums catch your eye before your teeth,

you may find yourself absentmindedly swiping past the photo.

From that moment on, people gradually begin to change.

Seonjeongneung Station Dentist: Gum Contouring—Please Read This Only If Your Gums Show First When You Smile image 2

Seonjeongneung Station Dentist: Gum Contouring

You tense your lips when trying to laugh openly,

cover the corner of your mouth slightly with your hand,

and even avoid smiling in photos altogether.

No one has said anything, but you start becoming increasingly self-conscious about your smile.

To the point where you wonder whether smiling comfortably

was really this difficult.

But this is where many people overlook one thing.

They start looking into procedures first, thinking,

“Maybe I just need to have some of my gums removed.”

If you read this article to the end,

you will have a basis for understanding why your gums look that way

and what you must check before undergoing a procedure.

​ ​ 1. The reason your gums show when you smile differs from person to person ​ ​ 2. If you remove only the gums without knowing the cause, they may show again ​ ​ 3. Seonjeongneung Station Dentist: Why We Ask About Your Smile First ​ ​
  1. The reason your gums show when you smile differs from person to person

If 3 mm or more of your gums show when you smile, it is commonly referred to as a “gummy smile.”

However, even among people with gummy smiles, the causes can generally be divided into three types.

Seonjeongneung Station Dentist: Gum Contouring—Please Read This Only If Your Gums Show First When You Smile image 3

Seonjeongneung Station Dentist: Gum Contouring

The first is when the gums cover more of the teeth than necessary.

The teeth are normal in length, but the gums extend downward, so the teeth look short and the gums look wide.

It is similar to how a picture in a frame can look smaller than it really is when the frame has a thick border.

Seonjeongneung Station Dentist: Gum Contouring—Please Read This Only If Your Gums Show First When You Smile image 4

Seonjeongneung Station Dentist: Gum Contouring

The second is when the upper jawbone itself has grown excessively.

The gums and teeth are normal, but the gum line sits lower because of the bone structure.

The third is when the muscles that pull the upper lip upward when smiling act particularly strongly.

The gums and bones are normal, but the movement of the muscles alone causes the gums to show.

The problem is that these three causes all look the same on the surface: “a lot of gum showing.”

Yet when the cause differs, the solution can be completely different.

  1. If you remove only the gums without knowing the cause, they may show again

If the gums cover a large portion of the teeth, contouring the gum line

through gum contouring can increase the visible area of the teeth and produce good results.

Using a laser can also significantly reduce bleeding and discomfort compared with the past.

Seonjeongneung Station Dentist: Gum Contouring—Please Read This Only If Your Gums Show First When You Smile image 5

Seonjeongneung Station Dentist: Gum Contouring

But what happens if only the gums are removed when the cause lies in the muscles or bones?

It may look somewhat better at first, but because the lips still rise to the same position when you smile, the gums may become prominent again over time.

Some people actually come to us upset because they underwent gum contouring elsewhere and saw little difference.

Seonjeongneung Station Dentist: Gum Contouring

Rather than the procedure having been performed incorrectly, in many cases the person’s gums were not the actual cause to begin with.

That is why, before calculating how much gum to remove, I first check whether the gums are truly the cause.

If the procedure does not seem likely to have a significant effect, I believe it is better to honestly explain other options instead.

  1. Seonjeongneung Station Dentist: Why We Ask About Your Smile First

When you come in for a gum contouring consultation, I ask you about something before discussing the procedure.

I ask when your gums bother you and how you usually smile.

That is because how you actually look when smiling is much more important than the number of millimeters of gum that show.

Seonjeongneung Station Dentist: Gum Contouring—Please Read This Only If Your Gums Show First When You Smile image 6

Seonjeongneung Station Dentist: Gum Contouring

We need to see you smile directly to assess whether the cause is the gums, muscles, or bones.

I also personally conduct all consultations and procedures as the director.

In a system where a consultant handles the consultation and the dentist performs the procedure separately,

it can easily become unclear along the way why the procedure is necessary.

Treatment that the patient does not understand or accept is difficult to call good treatment, even if it is theoretically appropriate.

Seonjeongneung Station Dentist: Gum Contouring

It is never too late to begin after I have explained everything sufficiently and you understand it.

Seonjeongneung Station Dentist: Gum Contouring—Please Read This Only If Your Gums Show First When You Smile image 7

Seonjeongneung Station Dentist: Gum Contouring

Ultimately, what matters is not how much gum is removed,

but understanding first why your smile looks that way.

When your gums showed first in a photo and you swiped past the screen,

perhaps your gums were not actually to blame.

Once the cause is identified accurately, your smile can become the first thing people notice rather than your gums in the next photo.

Being able to smile comfortably can change much more of your day than you might expect.

I would like to help you make that change without rushing and in the right direction.

I will explain everything sufficiently and help you make your decision after you understand and accept the plan.

Thank you.

Sincerely, Kim Moo-jin, Director

| D-Day Dental Clinic, where we honestly recommend only the treatment you need Naver booking ✔ |

Seoul D-Day Dental Clinic Treatment Inquiries
Main phone: 02-568-2877 (Go directly) Naver TalkTalk inquiry (Go directly)

Seonjeongneung Station Dentist: Gum Contouring—Please Read This Only If Your Gums Show First When You Smile image 8

Seonjeongneung Station Dentist: Gum Contouring—Please Read This Only If Your Gums Show First When You Smile image 9

Seonjeongneung Station Dentist: Gum Contouring

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