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Mokgok Station Dental Clinic_ The Fastest Way to White Teeth! [3. Features and Process of In-Office Whitening for Vital Teeth]

Seoul DIA Dental Clinic · 서울디아치과의원 · June 26, 2025

Hello. This is Seoul Dia Dental Clinic at Magok Station. Do you remember the [Principles and Process of Non-Vital Tooth Whitening] post I introduced last time? I explained the ques...

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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: June 26, 2025

Translated at: April 20, 2026 at 4:31 PM

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

Hello. This is Seoul Dia Dental Clinic at Magok Station.

Do you remember the [Principles and Process of Non-Vital Tooth Whitening] post I introduced last time?

I explained the questions you may have had, such as why a tooth whose nerve has died turns gray and what the process looks like.

If you have not read it yet, I recommend checking it first through the link below.

That will make today’s content much easier to understand.

So now, shall we move on to tooth whitening for ‘vital teeth,’ where the nerve is still alive?

Tooth whitening is divided into two types depending on the target.

‘Non-vital tooth whitening’ is applied to teeth whose nerves have died, while ‘vital tooth whitening’ is applied to teeth with living nerves.

Today, among these, I would like to share information about ‘professional whitening’ performed at the clinic.

Vital tooth whitening is divided into two types:

One is professional whitening performed at the clinic, The other is at-home self-whitening.

Each has its own advantages, so choosing the right one for your situation is important.

First, in this article, I will carefully walk you through the entire process of professional whitening, the fastest way to regain white teeth.

Features of In-Office Whitening for Vital Teeth

Mokgok Station Dental Clinic_ The Fastest Way to White Teeth! [3. Features and Process of In-Office Whitening for Vital Teeth] image 1

Magok-dong dental clinic_ Hydrogen peroxide decomposing in enamel and dentin

Professional whitening performed at a dental clinic is a method that applies a high-concentration hydrogen peroxide whitening agent and uses a special light to brighten the teeth in a short time.

It takes 15 minutes per session, for a total of 2 to 3 sessions, so the entire procedure is completed in about 30 to 45 minutes.

And it is not just applied and finished; the medical staff carefully manages the entire process, including gum protection, monitoring for sensitivity during the procedure, and aftercare, so even people with sensitive teeth can proceed without worry.

How In-Office Whitening for Vital Teeth Is Done

  1. Tooth shade measurement and photo taking

Mokgok Station Dental Clinic_ The Fastest Way to White Teeth! [3. Features and Process of In-Office Whitening for Vital Teeth] image 2

Magok-dong dental clinic_ Checking tooth color.

First, the tooth color is recorded before whitening.

Along with taking photos for records, the current brightness of the teeth is measured based on a shade guide.

This is an essential step for clearly comparing the changes before and after.

  1. Oral examination and scaling

Mokgok Station Dental Clinic_ The Fastest Way to White Teeth! [3. Features and Process of In-Office Whitening for Vital Teeth] image 3

Magok-dong dental clinic_ Scaling

Before whitening, we check whether there are any cavities or gum disease,

and scaling is performed to thoroughly remove tartar from the tooth surface.

The whitening agent needs to work well on a clean surface.

That is why this step is essential.

  1. Application of a gum protectant

Mokgok Station Dental Clinic_ The Fastest Way to White Teeth! [3. Features and Process of In-Office Whitening for Vital Teeth] image 4

Magok-dong dental clinic_ Applying gum protectant

Because whitening agents are powerful,

they can irritate the gums.

So before whitening, a dedicated protective agent is carefully applied along the gum line.

It is not simply a matter of ‘just making the teeth white and done!’; real professional whitening includes attentive care for the gums before and after the procedure.

Making the teeth brighter while keeping the gums safe is a balance Seoul Dia Dental Clinic values.

  1. Applying the whitening agent and irradiating with light

Mokgok Station Dental Clinic_ The Fastest Way to White Teeth! [3. Features and Process of In-Office Whitening for Vital Teeth] image 5

Mokgok Station Dental Clinic_ The Fastest Way to White Teeth! [3. Features and Process of In-Office Whitening for Vital Teeth] image 6

Magok-dong dental clinic_ Light irradiation

Now we begin by applying the whitening agent to the teeth,

and then shine special light to enhance the whitening effect.

One cycle takes about 15 minutes, usually repeated 2 to 3 times,

while checking how much the yellowed color has improved.

  1. Checking the results and explaining the next plan

Mokgok Station Dental Clinic_ The Fastest Way to White Teeth! [3. Features and Process of In-Office Whitening for Vital Teeth] image 7

Magok-dong dental clinic_ Checking the results

After the procedure, we check the brightened teeth

and explain whether additional treatment is needed or how to maintain the results.

Usually, noticeable changes appear after visiting 3 to 4 times at 1- to 2-week intervals.

Key Summary of In-Office Whitening for Vital Teeth

  1. Professional whitening is a treatment applied to living teeth

  2. It quickly improves brightness using a high-concentration whitening agent

  3. The effect can be maximized with 3 to 4 treatments at 1- to 2-week intervals

  4. Accurate diagnosis and management are the key to maintaining the results

If you have recently found yourself hesitating to smile a little because your teeth have become dull every time you look in the mirror?

That hesitation is now something we are here to brighten.

Mokgok Station Dental Clinic_ The Fastest Way to White Teeth! [3. Features and Process of In-Office Whitening for Vital Teeth] image 8

Magok-dong dental clinic_ Dia Dental Clinic

At Seoul Dia Dental Clinic,

from careful gum protection to customized care for each patient,

we pursue whitening that is naturally bright, as if it were my own teeth.

And next time, we will return with everything you need to know about at-home self-whitening for vital teeth, so you can maintain your teeth that were brightened through professional whitening for longer and more stably.

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

[ Magok Station Dia Dental Clinic Tooth Whitening Series ]

  1. Causes of Tooth Discoloration

  2. Non-Vital Tooth Whitening

  3. In-Office Whitening for Vital Teeth

  4. At-Home Self-Whitening for Vital Teeth

  5. Questions About Tooth Whitening

  6. Care After Tooth Whitening Treatment

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