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Why Does Acute Pulpitis Occur? The Answer Is Obvious.

D-Day Dental Clinic · 디데이치과 대표원장 2명의 치아백과 · June 21, 2026

Why Does Acute Pulpitis Occur? The Answer Is Obvious. Acute Pulpitis — 디데이치과 ​ ​ Hello. ​ I am Oh Tae-hoon, the director of 디데이치과. ​ A patient called us recently. ​ ​ They said the...

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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: D-Day Dental Clinic

Original post date: June 21, 2026

Translated at: August 17, 2026 at 4:15 PM

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

Acute Pulpitis — 디데이치과

Hello.

I am Oh Tae-hoon, the director of 디데이치과.

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A patient called us recently.

They said the pain was so severe

that they could not sleep at all.

They had taken three painkillers,

but said they had not helped at all.

They came to the clinic early the next morning,

and their face was extremely swollen.

It was clear that they had not slept a wink all night.

An examination revealed acute pulpitis.

In fact, I see patients like this very often.

And most of them show a similar pattern.

When many people experience

slight sensitivity or mild pain in a tooth,

they tell themselves, “It’s probably nothing serious,” and ignore it.

Using being busy as an excuse, because they are afraid,

or because they feel the cost would be wasteful,

they keep postponing their dental visit.

But the problem

starts here.

Teeth never improve on their own.

Instead, they get worse as time passes.

Then, one day, sudden

and severe pain arrives.

That is acute pulpitis.

In this article, I will explain in detail

why acute pulpitis develops,

and why it is important to treat it early.

Please focus for just three minutes.

It will definitely help you avoid

unnecessary suffering.

1. Acute pulpitis develops when tooth decay is left untreated 2. Why early treatment is so important
  1. Acute pulpitis develops

when tooth decay is left untreated

The reason acute pulpitis develops

is really obvious.

It happens because tooth decay has been left untreated.

Tooth decay starts on the tooth’s surface

and gradually penetrates deeper.

At first, only the hard outer surface called enamel is damaged.

At this stage, it usually does not hurt much.

You may only experience sensitivity to cold water occasionally.

So most people think, “It’s probably nothing serious,” and move on.

Why Does Acute Pulpitis Occur? The Answer Is Obvious. image 2

Tooth decay photo / 디데이치과

The problem is that decay-causing bacteria

continue to penetrate the tooth.

Once they pass through the enamel and reach the dentin,

you begin to feel pain little by little.

You may feel a sharp sensation when eating something sweet

or drinking cold water.

This is when you really should visit a dentist.

At this stage, it can still be resolved with simple treatment.

But what happens if you ignore even these symptoms

and continue to leave the decay untreated?

The decay reaches the pulp.

The pulp is the nerve and blood vessel tissue

deep inside the tooth.

When bacteria enter this area,

inflammation develops and severe pain begins.

Why Does Acute Pulpitis Occur? The Answer Is Obvious. image 3

Reference photo of the pulp / 디데이치과

It is similar to the throbbing pain

you feel when you badly crush your fingertip in a door.

It may even be worse than that.

It hurts so much that you cannot sleep at night,

and painkillers do not help.

What I have noticed while treating patients is that

most patients with acute pulpitis

had already received warning signs several weeks earlier.

Their teeth were sensitive, chewing was uncomfortable,

and they occasionally felt a throbbing pain.

But they thought it was bearable.

Then, at some point,

it suddenly becomes unbearable.

  1. Why early treatment

is so important

Once the condition progresses to acute pulpitis,

the treatment process becomes much more complicated.

Simple treatment for tooth decay is no longer enough.

Root canal treatment is required.

The inflamed nerves and blood vessels inside the tooth

must all be removed,

then the space must be disinfected and filled with a special material.

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Why Does Acute Pulpitis Occur? The Answer Is Obvious. image 5

2022-11-29

Molar tooth decay treatment

Inlay treatment for an amalgam restoration with recurrent decay

A severely decayed tooth was treated with root canal treatment followed by a crown

Root canal treatment usually requires

two to three visits.

It also takes more time,

and costs considerably more than treatment for tooth decay.

In addition, a tooth that has undergone root canal treatment

becomes weakened because its nutrient supply is cut off.

Therefore, in many cases,

the tooth later needs a crown.

By contrast, early-stage tooth decay

is very simple to treat.

In many cases, treatment can be completed in a single visit,

and the cost is around one-third that of root canal treatment.

Most importantly,

the natural tooth can be preserved as much as possible.​

So what should you do?

The answer is simple.

If you notice any unusual signs in a tooth,

visit a dentist right away.

  1. Sensitivity to cold water

  2. Discomfort when eating something sweet,

  3. Slight pain when chewing—these are all warning signs.

I always tell my patients this:

The sooner you receive dental treatment, the better.

It takes less time, costs less,

and, above all, causes much less pain.

Why Does Acute Pulpitis Occur? The Answer Is Obvious. image 6

Whether you choose to tolerate a little pain

or experience severe pain later

is up to you.

Acute pulpitis

naturally develops when tooth decay is left untreated.

It may be obvious, but many people

overlook this obvious fact.

If anyone reading this article

has even the slightest discomfort in a tooth right now,

please do not put off visiting a dentist any longer.

A dental clinic is not a place to fear.

It is a place that helps protect your health.

Do not overlook minor discomfort;

receive treatment early.

That is the surest way to protect your time and money,

and, most importantly, your precious natural teeth.

디데이치과

| A place that honestly recommends only the treatments you need — 디데이치과 Naver appointment ✔ |

Seoul 디데이치과 treatment inquiries
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| This post was written directly by 디데이치과의원 for the purpose of providing medical information and promoting the clinic, in compliance with Article 56, Paragraph 1 of the Medical Advertising Act. However, please use the information provided on this blog for reference only. We recommend that you visit a medical institution in person and consult a medical professional for an accurate assessment of your individual symptoms. All procedures and surgeries performed at dental clinics, including implants, may involve side effects depending on the individual, such as inflammation, bleeding, swelling, and nerve damage. Therefore, please make your decision after having a sufficient consultation with a medical professional in advance. The treatment photos in this post were taken with the consent of a patient who completed all treatment procedures at this clinic. The before-and-after photos are of the same person and were taken under the same conditions. |

Why does acute pulpitis occur?

It’s obvious.

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