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My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment

Seoul Centum Dental Clinic (Sinsa Branch) · ✅서울센텀치과의원✅이현섭 원장입니다. · July 23, 2025

First Appearance on the Medical Channel After Rain Hello, today I’d like to share a small update and talk about tooth decay. Do you know the medical channel After Rain? The After R...

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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: July 23, 2025

Translated at: April 20, 2026 at 4:04 PM

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

First Appearance on the Medical Channel After Rain

Hello, today I’d like to share a small update and

talk about tooth decay.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 1

Do you know the medical channel After Rain?

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 2

The After Rain channel is a channel with 1.97 million subscribers

that introduces non-commercial medical information.

When I first came across the channel, it had around 1 million subscribers,

but before I knew it, it was approaching 2 million.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 3

I had only ever seen the After Rain channel on YouTube before,

but this was my first time appearing on it.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 4

I was very nervous because it was my first time,

and since it was my first live broadcast,

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 5

I gradually got used to it as time went on.

Tooth decay hurts, so it’s already late! Tooth Decay Treatment

I had a chance to talk about tooth decay as the topic.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 6

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 7

I went through the questions that many people ask

about tooth decay.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 8

I organized them into exactly six questions.

  1. Why do cavities develop even when I brush well?

This is something many people are curious about,

and they often ask why cavities develop.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 9

It is hard to say that cavities are only a problem of not brushing enough.

The issue of the oral environment and ecosystem is more significant.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 10

The likelihood of cavities developing is higher at night,

and if you eat a snack, do not brush your teeth,

and go to sleep, the chances of cavities

developing in your teeth are inevitably higher.

  1. Can cavities heal naturally?

Early cavities are difficult to

recover from naturally.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 11

However, it is possible to stop the progression.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 12

By providing remineralization-inducing factors,

you can improve the microenvironment around the lesion.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 13

As many of you have probably heard, fluoride

can help strengthen the structure of tooth enamel.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 14

In the case of saliva, it can be seen as a physiological mediator

with natural remineralization ability,

but in patients with dry mouth, this function

may be reduced.

  1. Are all black spots cavities?

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 15

This is probably the question that people who are afraid to go to the dentist

ask most often.

They often wonder whether anything that looks black is a cavity.

Food pigments can stain the tooth surface and cause discoloration,

and amalgam or iron components can also discolor and appear black.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 16

Many people also ask how to tell the difference from cavities,

but since it can be hard to distinguish with the naked eye,

it is often necessary to examine the teeth using X-rays or other auxiliary equipment.

Hidden cavities are especially difficult to identify visually,

because the surface may look fine while the decay has spread internally through the dentin.

In such cases, it can be said that identifying them with the naked eye is absolutely difficult.

  1. Baby primary teeth are going to fall out anyway, so do we really need to treat cavities?

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 17

This is one of the questions mothers ask especially often.

People often ask whether primary teeth, since they’ll be used and then removed anyway,

really need cavity treatment.

In fact, primary teeth are not just childhood teeth;

they have a very specific role.

Because they are important for permanent tooth alignment, jaw growth,

and the formation of eating habits, they definitely need to be treated.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 18

If treatment is delayed, it can spread to pulpitis or an abscess,

becoming a much bigger problem,

or it can negatively affect the enamel formation of the permanent tooth germ.

It is not simply a tooth that passes by and is forgotten;

it is a medium that supports the development into permanent teeth.

  1. Why is cavity treatment painful and why is it expensive?

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 19

This is a rather fundamental question.

There are also quite a few cases where people are too afraid of the cavity itself to get treatment.

Because cavities spread deeper over time,

they become more expensive to treat

and require higher-level treatment.

Of course, the pain also becomes more severe.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 20

In particular, root canal treatment for severe cavities

involves removing the infected pulp tissue,

so it requires a more precise procedure,

and because expensive materials are needed,

the cost inevitably rises.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 21

Cavity treatment is not covered by insurance, so the price

inevitably rises more sharply.

If a cavity is found early, it can be resolved with a simple treatment,

and the treatment cost is not very high, so

please keep that in mind.

Do you have to go to the dentist often to prevent cavities?

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 22

Regular dental checkups are not simply about confirming

whether you brushed your teeth;

they are an opportunity to comprehensively evaluate the distribution

of dental plaque, early signs of cavities, and the health of the gums.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 23

To prevent cavities, regular checkups every 3 to 6 months are recommended,

and for low-risk groups, a yearly checkup is sufficient,

so please be sure to visit regularly

and keep up with scaling.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 24

After visiting After Rain once, it felt quite meaningful,

and the studio was so large and spacious that I was very nervous.

My First Appearance on the Medical Channel After Rain YouTube Channel: If Tooth Decay Hurts, You’re Late. Tooth Decay Treatment image 25

It was a new experience, and I hope there will be another opportunity

to communicate with viewers of the medical channel After Rain.

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