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Smile Designer Dr. Yeo Sang-ho: Why Did He Become a Conservative Dentistry Specialist?

Yonsei Weshe Dental Clinic · 모든 이들의 미소를 아름답게, 연세위시치과✨ · May 28, 2025

Wish Doctors Dr. Yeo Sang-ho: Why Did He Become a Conservative Dentistry Specialist? Hello. This is Yeo Sang-ho from Yonsei Wish Dental Clinic. In fact, when I was young, I once ex...

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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: Yonsei Weshe Dental Clinic

Original post date: May 28, 2025

Translated at: April 20, 2026 at 4:36 PM

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

  1. Wish Doctors Dr. Yeo Sang-ho: Why Did He Become a Conservative Dentistry Specialist?

Smile Designer Dr. Yeo Sang-ho: Why Did He Become a Conservative Dentistry Specialist? image 1

Hello. This is Yeo Sang-ho from Yonsei Wish Dental Clinic.

In fact, when I was young, I once experienced severe tooth pain.

At the time, the headache was so bad that I did not think the cause could be my teeth.

Even after taking painkillers, the pain would not go away,

and it was pain so severe that I could not sleep...

It was truly pain I never wanted to experience again.

Then I thought of the tooth that had been bothering me and went to the dentist, hoping it might be the cause.

When the treatment began after I received the anesthesia injection,

I ended up falling asleep right there in the dental chair..

My body had been suffering from intense pain for days and had barely slept,

and once it felt the pain disappear, it seemed to relax on its own.

That was the first time I felt it.

A single dental treatment can bring such great relief.

And that experience,

has remained the starting point of the way I approach treatment

to this day.

Smile Designer Dr. Yeo Sang-ho: Why Did He Become a Conservative Dentistry Specialist? image 2

<Dr. Yeo Sang-ho, who has received a lot of treatment... The tooth that bothered me in high school was the lower left molar>

  1. The core treatment in conservative dentistry for preserving teeth: root canal treatment

After entering Yonsei University College of Dentistry,

my heart had always remained with conservative dentistry.

That was because there was a treatment that brought a dramatic change

to me, who had struggled with tooth pain.

It is root canal treatment, which many people know as a “nerve treatment.”

By precisely treating the inner part of the tooth and the space inside the root (the root canal),

this treatment removes the cause of pain and saves the tooth.

At university hospitals, this is professionally studied and treated

in the department called “conservative dentistry.”

I have always thought that conservative dentistry is

a department that looks at teeth that suddenly become painful or uncomfortable,

and helps them with as little pain

and as little discomfort as possible.

Smile Designer Dr. Yeo Sang-ho: Why Did He Become a Conservative Dentistry Specialist? image 3

Although it differs somewhat by country and hospital,

at the Department of Conservative Dentistry, Severance Dental Hospital, Sinchon, Yonsei University College of Dentistry,

we not only perform root canal treatment, but also professionally study, research,

and treat patients using various methods to save teeth.

In other words,

the department deeply considers and studies how to preserve and protect teeth

after all.

Among these, root canal treatment, which many people know as “nerve treatment,”

is a much more delicate and complex process than people may think.

It requires precisely removing the infected tissue inside the tooth’s roots (the root canals),

and firmly sealing the space so that bacteria cannot enter again.

Because this process requires careful handling of structures that are not visible to the eye,

it demands a high level of concentration and skill.

  1. What really matters is in the unseen places.

A tooth treated in this way

can then regain its function again using a restoration or prosthesis (for example, an inlay, crown, or resin).

At this point, what matters most is the choice of material and the bonding.

Knowing which material should be used in which situation,

and how well that material can adhere to the tooth,

is extremely important because it directly affects the tooth’s prognosis.

Understanding and applying this bonding process is one of the core areas

that conservative dentistry continually researches and studies.

Smile Designer Dr. Yeo Sang-ho: Why Did He Become a Conservative Dentistry Specialist? image 4

The laminate treatment that many people receive these days

may also seem like a simple procedure of just attaching something,

but good results are only possible when delicate bonding techniques are behind it.

Smile Designer Dr. Yeo Sang-ho: Why Did He Become a Conservative Dentistry Specialist? image 5

Think about the tiles we use in the bathroom.

Each tile can crack even from a slight impact.

But tiles that are properly attached to the wall using the right cement

are not easily broken even by stronger impact.

That is because they have been bonded well with the right materials and techniques.

What may look like a simple treatment on the surface is built on details accumulated at every step,

and those details greatly affect the stability and satisfaction of the treatment.

  1. In dental treatment, even one small difference can change the result.

We value that subtle “extra” difference that is not easily seen.

At Yonsei Wish Dental Clinic, a specialist in conservative dentistry who preserves teeth,

and a specialist in oral and maxillofacial surgery who handles treatments requiring a surgical approach,

work together in care.

Before treatment, we provide thorough explanations,

during treatment, we pay close attention,

and even after treatment, we think carefully so that you can remain comfortable for a long time.

Finding the treatment direction that best suits each and every patient together,

that is the care we provide at Wish.