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Introducing Dental Teeth Whitening: Before-and-After Photos and Types

Seoul Centum Dental Clinic (Sinsa Branch) · ✅서울센텀치과의원✅이현섭 원장입니다. · May 20, 2025

Introducing Dental Teeth Whitening: Before-and-After Photos and Types Hello, this is Seoul Centum Dental Clinic. As people have been taking better care of their teeth these days, i...

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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 Centum Dental Clinic (Sinsa Branch)

Original post date: May 20, 2025

Translated at: April 20, 2026 at 5:33 PM

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

Hello, this is Seoul Centum Dental Clinic.

As people have been taking better care of their teeth these days, interest in teeth whitening has also increased a lot.

At our clinic as well, there has been a noticeable increase in people coming in asking for one-day teeth whitening.

Since maintenance is needed each time, you have to come to the clinic, so many people ask whether there are other types. Today, I’ll explain the different kinds.

Introducing Dental Teeth Whitening: Before-and-After Photos and Types image 1

  1. Professional teeth whitening

The whitening commonly performed at a dental clinic is called professional teeth whitening.

The difference from home whitening is the concentration of the whitening agent.

Because dental clinics are staffed by professional medical personnel, a high-concentration agent can be used.

Also, for whitening effectiveness, the tooth surface is briefly cleaned, the gums are protected, and then the whitening agent is applied to the teeth.

If you visit and simply lie still, it can be done comfortably!

At Seoul Centum Dental Clinic, we recommend one-day teeth whitening, performed three times for 8 minutes each.

Usually, with one-day teeth whitening, you can expect the teeth to become about 1 to 2 shades brighter.

Introducing Dental Teeth Whitening: Before-and-After Photos and Types image 2

  1. Non-vital tooth whitening

Have you ever heard the term non-vital tooth?

Some people learn about non-vital tooth whitening later on and regret not looking into it sooner.

Since it is not a term commonly used in everyday life, I’ll briefly introduce it.

When the nerve tissue becomes necrotic due to external impact or other causes, the tooth color can darken.

In such cases, whitening agents alone are not enough, and after removing the damaged tissue and performing root canal treatment, whitening treatment must be done. Therefore, it cannot be done on your own at home, and it is considered one type of dental teeth whitening.

Since only a specific tooth becomes discolored and then becomes brighter again, satisfaction tends to be high.

Introducing Dental Teeth Whitening: Before-and-After Photos and Types image 3

  1. Take-home whitening

When you hear take-home whitening, you may think of self-whitening done at home alone.

Along with products sold online or at Olive X, and so on.

The take-home whitening agent I’m introducing today is a little different. It is purchased and made at the dental clinic.

An impression is taken, and a tray custom-made to fit your teeth is used together with a whitening agent that has a lower concentration than professional whitening.

In the beginning, it is a bit inconvenient because you have to visit the clinic, but after that, you can manage it comfortably at home.

Rather than seeing results all at once after just one use, this is a method that requires consistent care.

Introducing Dental Teeth Whitening: Before-and-After Photos and Types image 4

If you want to see results with one treatment, I recommend dental teeth whitening. If you want to maintain it steadily in your daily life, I would recommend take-home whitening.

Gum whitening or non-vital tooth whitening, which I could not introduce today, are special cases, so if you have any questions, I recommend visiting the clinic and receiving a consultation.

I’ll also show you the before-and-after photos that many of you are probably curious about for dental teeth whitening.

Introducing Dental Teeth Whitening: Before-and-After Photos and Types image 5

Introducing Dental Teeth Whitening: Before-and-After Photos and Types image 6

Introducing Dental Teeth Whitening: Before-and-After Photos and Types image 7

When discoloration occurs in daily life, or to match the color after laminate veneers, and so on, various teeth whitening cases are possible.

If you have any more questions about dental teeth whitening, please feel free to contact us.

Thank you^^

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