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Magaok Station Dental Clinic_ “It doesn’t hurt and it’s over quickly” [3. Dental Sealant Procedure Process]

Seoul DIA Dental Clinic · 서울디아치과의원 · November 17, 2025

Hello. We are Magok Station Seoul Dia Dental Clinic, where even small changes in your mouth are never overlooked. ​ As the weather has suddenly turned much colder, it feels like th...

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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: Seoul DIA Dental Clinic

Original post date: November 17, 2025

Translated at: April 20, 2026 at 6:29 PM

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

Hello.

We are Magok Station Seoul Dia Dental Clinic,

where even small changes in your mouth are never overlooked.

As the weather has suddenly turned much colder,

it feels like the morning commute has become especially long on this Monday.

At times like this, a small cheer can feel even more powerful,

like a warm cup of tea.

We hope this week also begins comfortably and gently,

at your own pace.

In Parts 1 and 2,

we explained step by step what dental sealants are,

why they help both children and adults,

and when it is best to get them, along with the cost and insurance.

If you haven’t read those yet, please check the links below first.

Today’s Part 3 will be much easier to follow.

Today is Part 3!

“How is a sealant procedure performed?”

It’s the very process many people are curious about,

and yet when they actually have it done, they are surprised and say,

“Oh? That’s it?”

Now let us guide you through each step comfortably.

The dental sealant process

is really this simple

Step 1. Thoroughly clean the tooth surface

Magaok Station Dental Clinic_ “It doesn’t hurt and it’s over quickly” [3. Dental Sealant Procedure Process] image 1

Magok-dong dental clinic_ tooth surface cleaning

First, we carefully remove

food debris, tartar residue,

and dental plaque attached to the tooth.

Think of it as clearing out the space before filling the grooves.

This step needs to be done cleanly

for the resin to remain firm and durable for a long time.

Step 2. Prepare the tooth surface (etching)

Magaok Station Dental Clinic_ “It doesn’t hurt and it’s over quickly” [3. Dental Sealant Procedure Process] image 2

Magok-dong dental clinic_ tooth surface treatment

A mild acidic solution is lightly applied to the chewing surface of the tooth

to make the surface microscopically rough.

In simple terms, this is a process that slightly grips the tooth surface

so the sealant can stay attached for a long time.

Then, to help the resin adhere cleanly,

the surface is dried with air.

At this point, you may only feel a slight cool sensation;

there is no pain.

Step 4. Thinly fill the grooves (apply sealant resin)

Magaok Station Dental Clinic_ “It doesn’t hurt and it’s over quickly” [3. Dental Sealant Procedure Process] image 3

Magok-dong dental clinic_ filling with resin

Now we move on to applying the sealant thinly.

It is applied very thinly and carefully

so that it can spread evenly into the deeper parts of the grooves.

The key here is “thin and even.”

At Seoul Dia Dental Clinic near Magok Station,

we follow the principle of filling according to the shape of the grooves

without making it too thick,

while still sealing them without gaps.

Step 5. Harden it firmly with light (light curing)

Magaok Station Dental Clinic_ “It doesn’t hurt and it’s over quickly” [3. Dental Sealant Procedure Process] image 4

Magok-dong dental clinic_ hardening with light

Once the application is complete, we use a special blue light

to harden it for about 10–20 seconds.

After this step, the resin is securely fixed to the tooth

like a strong protective layer.

Step 6. Final check (bite, surface inspection)

Magaok Station Dental Clinic_ “It doesn’t hurt and it’s over quickly” [3. Dental Sealant Procedure Process] image 5

Magok-dong dental clinic_ bite check and finishing the groove

We check whether there are any parts that interfere when biting

or protrude, and whether the entire groove has been coated evenly.

If necessary, we also make very small adjustments

so that you can go about daily life comfortably

without any awkwardness.

Today, we looked step by step at

how dental sealants are performed.

To summarize,

  1. Clean the tooth surface thoroughly

  2. Prepare the tooth surface (etching)

  3. Fill the grooves with sealant material

  4. Harden it firmly with light (light curing)

  5. Check the bite height after hardening

It may look short and simple on the surface,

but sealants are a very important preventive step

that blocks the starting point of cavities.

Because how accurately the small gaps are handled

can change future treatment.

Magaok Station Dental Clinic_ “It doesn’t hurt and it’s over quickly” [3. Dental Sealant Procedure Process] image 6

Seoul Dia Dental Clinic, Magok-dong

At Seoul Dia Dental Clinic near Magok Station,

we do not simply stop at ‘applying’ the sealant.

We carefully check the tooth structure, the depth of the grooves, hygiene status,

and the bite force before performing the procedure.

Looking even more closely at the small, invisible details

is what Seoul Dia Dental Clinic considers true preventive care.

In Part 4,

we will explain “how to maintain sealants and what points to check”

in a very easy-to-understand way.

The way to protect your teeth for a long time,

let’s complete it together until the end.

[ This post has been written for the purpose of providing accurate information about dental surgery and procedures in accordance with the Medical Service Act. Since infection and side effects may occur after surgery, you should decide on surgery (procedure) only after sufficient consultation with a skilled medical professional. ]

[Magok Station Seoul Dia Dental Clinic Dental Sealant Series]

  1. What is a sealant?

  2. Timing of sealant application and cost

  3. Sealant procedure process

  4. Sealant maintenance methods

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