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Dental Whitening Treatment: Explaining the Time and Price Limits

Blanche Dental Clinic · 블랑쉬치과의원 · July 31, 2025

Examples of Blanche Dental Clinic tooth whitening treatment Hello. I’m Kim Tae-hyung, head dentist at Blanche Dental Clinic. These days, many people notice the color of their teeth...

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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: Blanche Dental Clinic

Original post date: July 31, 2025

Translated at: April 20, 2026 at 3:11 PM

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

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Examples of Blanche Dental Clinic tooth whitening treatment

Hello.

I’m Kim Tae-hyung, head dentist at Blanche Dental Clinic.

These days, many people notice the color of their teeth first when they look in the mirror or take a photo.

In particular, foods we often eat, such as coffee, wine, ramen, and curry, are major causes of tooth staining.

As these pigments build up repeatedly, one day you may find your teeth have turned yellow.

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So it’s natural to become curious about tooth whitening treatment.

Today, for those of you who are considering it, I’ll explain how tooth whitening treatment is performed..

and what price is appropriate,

how much brighter the teeth can actually become..

and the duration, limitations, and alternatives..

I’ll organize everything for you in one place.

Let’s get started right away. Haha

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  1. Tooth whitening treatment How is it performed?

Tooth whitening treatment performed at a dental clinic is clearly different from regular whitening products.

I’ll explain in detail how it is carried out.

Dental Whitening Treatment: Explaining the Time and Price Limits image 4 Dental Whitening Treatment: Explaining the Time and Price Limits image 5 Tooth whitening treatment process step 1~2 Pre-whitening shade check and cleaning

First, we use a shade guide to check the current tooth color level.

This allows us to see numerically how much brighter the teeth have become before and after whitening.

After that, scaling and tooth surface cleaning are performed.

Plaque, staining substances, and tartar on the tooth surface are removed.

This improves the absorption of the whitening agent and helps prevent staining.

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Next, we prepare for burns.

Tooth whitening treatment uses a whitening agent based on hydrogen peroxide, and at this time it can irritate the gums or even pose a risk of burns..

so preparatory steps are essential.

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If you check the tooth whitening procedure in order,

it will be easier to understand. Haha

Now we move on to the actual whitening treatment.

A high-concentration whitening agent is applied and a laser is used to trigger the whitening reaction.

Most procedures take about 15 to 20 minutes, and these days many clinics offer a one-day package with three repeated sessions.

Dental Whitening Treatment: Explaining the Time and Price Limits image 11 Dental Whitening Treatment: Explaining the Time and Price Limits image 12 How is it?

Can you feel that the teeth are clearly brighter than before? Haha

  1. Tooth whitening treatment price, and how satisfied are people? Keyword, sentence I want to include

This is probably the part many people are most curious about: the price of tooth whitening treatment.

Depending on the whitening agent, equipment, and system used by each clinic, the price can vary.

The current average price in Seoul is..

for a one-day package of three sessions, about KRW 300,000 to 600,000.

Please keep in mind that prices may differ depending on promotions or the clinic’s internal circumstances. Haha

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However, satisfaction with tooth whitening treatment varies quite a bit.

The reason is that, first, some people feel their teeth did not become as bright as they expected.

Tooth whitening treatment is a procedure that improves the brightness of the outer surface.

It does not produce a major effect for people whose internal dentin naturally has a strong yellowish tone.

Another point is the legal limit on the concentration of the whitening agent.

In Korea, the peroxide concentration is limited, so the procedure is safe, but the level of whitening often remains at around one to two shades.

And although it depends on lifestyle habits,

the average whitening maintenance period is about six months..

so the teeth may become yellow again after that

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  1. If you don’t want to miss both brightness and longevity, what should you do?

Because of these limitations of tooth whitening treatment..

if you are tired of repeated procedures or want a clear result in one go..

I recommend considering Blancche laminate as well.

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There are more cases than you might expect where it can be done without grinding down the teeth..

and it can improve brightness, shape, and dental alignment balance together.

Above all, you can expect results that last for a long time after just one procedure.

At Blancche Dental Clinic, we have a 3D analysis system developed by an engineer from Seoul National University and our own in-house dental lab..

and from start to finish, I, the head dentist, participate in the design and fabrication process, allowing us to create a more beautiful and natural smile. Haha

Tooth whitening treatment is an attractive option worth trying..

but it also has clear limitations.

If it does not become as bright as expected or the yellowing returns too quickly?

At that point, it may be a good time to consider a more fundamental solution.

If you have any questions while reading today’s post?

Please feel free to contact us anytime.

We will be with you at the moment when your smile becomes a masterpiece.

Thank you. Haha

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With the hope that you shine brightly,

Kim Tae-hyung Head Dentist, Blancche Dental Clinic

Kim Tae-hyung, Head Dentist at Blancche Dental Clinic
Ask your questions right away
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