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Gangnam Station Dental Clinic: Can You Get Root Canal Treatment Without Pain?

LUCID Dental Clinic · 루시드치과 · May 7, 2025

​ Hello. This is Lucid Dental Clinic. When you feel tooth pain, have you ever felt unsure about what treatment you should get? ​ In particular, root canal treatment can sound scary...

AI translation notice

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: LUCID Dental Clinic

Original post date: May 7, 2025

Translated at: April 20, 2026 at 4:26 PM

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

Gangnam Station Dental Clinic: Can You Get Root Canal Treatment Without Pain? image 1

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Hello. This is Lucid Dental Clinic.

When you feel tooth pain, have you ever felt unsure about what treatment you should get?

In particular, root canal treatment can sound scary just by name,

or many people hesitate because of painful memories from the past.

But root canal treatment today is different from before.

Thanks to advances in treatment equipment and pain-relief techniques,

the procedure is now carried out much more precisely and gently.

Rather than delaying treatment out of fear of pain,

it is more important to understand your current condition and receive accurate treatment.

At our Gangnam Station dental clinic, we would like to kindly explain

when root canal treatment is needed, what the process involves, and how much concerns about pain during treatment have been reduced.

Shall we look at each point one by one from here?

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Root canal treatment is a procedure in which the tissue inside the tooth called the “pulp,”

where the nerves are located, is removed when it is damaged or inflamed,

and the area is sealed so bacteria cannot enter again.

The pulp is an area where blood vessels and nerves are gathered together,

and it can be said to be the life of the tooth.

When there is a problem with the pulp, it can cause severe pain,

and if left untreated, inflammation can spread all the way to the tooth root,

which may eventually require extraction.

Root canal treatment is the last resort to prevent such a situation and save the tooth,

so it is a very important and necessary treatment.

Recently, precise diagnostic equipment is used before treatment to accurately identify the problem area,

and medications and anesthesia techniques that minimize pain are applied,

making the treatment process much easier.

You do not have to think of it only as a painful and difficult treatment like in the past.

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When is root canal treatment needed?

When decay has invaded the nerve tissue If deep cavities are left untreated, bacteria eventually reach the nerve and cause inflammation.

When the tooth structure becomes thin after cavity removal If the tooth structure is heavily damaged while removing decay,

the tooth may react sensitively to external stimuli and cause pain.

When a tooth is broken or cracked due to trauma The nerve can be damaged by an external impact,

and treatment is needed before inflammation develops.

When severe periodontal disease damages the nerve If gum disease becomes severe, it can affect the nerve at the root tip,

and root canal treatment may be necessary.

When treatment is needed to improve safety before prosthetic treatment Sometimes nerve treatment is performed before prosthetic procedures such as crowns

to remove factors that trigger pain.

When pain returns in a previously treated cavity area Even a tooth that has already been treated may need retreatment if it becomes reinfected.

If a damaged nerve is left untreated,

inflammation can spread not only to the tooth but also to the surrounding tissue,

so early treatment is more important than anything else.

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When do I need root canal treatment?

Self-diagnosis checklist

▪ When the tooth color looks generally darker or blackened ▪ When there is pain while chewing food, or even when doing nothing ▪ When teeth feel sensitive not only to cold water but also to warm water ▪ When tooth pain gets worse while lying down to sleep at night ▪ When the gum near the tooth root swells or hurts when pressed ▪ When there is stronger bad breath or an unpleasant smell than usual ▪ When tooth pain lasts longer than before and feels throbbing ▪ When the area around the gums is red and swollen, and there is a feeling of pus showing through

If two or more of the symptoms above apply to you,

we recommend getting an accurate diagnosis at our Gangnam Station dental clinic.

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Root canal treatment proceeds as follows.

  1. Precise diagnosis and identification of the pain area X-rays or CT scans are used to accurately identify the extent of nerve damage and the infected area.

  2. Removal of the damaged nerve tissue After anesthesia, a hole is made in the tooth, and the infected pulp tissue is carefully removed.

  3. Root canal cleaning and disinfection The inside of the root canal is thoroughly disinfected to ensure no bacteria remain.

  4. Root canal filling After disinfection is complete, the space is filled with a special material and sealed so bacteria cannot re-enter.

  5. Prosthetic completion Because the tooth may weaken after root canal treatment,

it is common to place a crown to protect its function and appearance.

The number of treatment sessions varies depending on the individual’s condition,

but in general, many cases are completed in about 2 to 3 visits.

Even if symptoms improve in the middle of treatment,

it is important to complete the full course of treatment.

Root Canal Treatment Q&A

Q. Can it be done without pain?

A. Yes. Nowadays, because sufficient local anesthesia and equipment designed to minimize pain are used,

there is almost no pain during treatment. Compared with the past,

treatment is much more precise and comfortable.

Q. If I get root canal treatment, will the tooth recover completely?

A. Once the infected pulp is removed through treatment, pain and inflammation disappear,

but because a tooth with the nerve removed is relatively weaker,

it is important to protect it well with prosthetic treatment such as a crown.

Q. Can I eat right after root canal treatment?

A. Right after treatment, the tooth may be sensitive, so it is better to avoid foods that are too hot or hard.

Until the final prosthetic restoration is completed, it is safest to chew on the opposite side.

Q. Does treatment always have to be divided into several visits?

A. The number of visits may vary depending on the degree of infection and the condition of the tooth.

In general, 2 to 3 visits are common, but in complex cases,

it may take 4 or more visits.

Q. Can problems happen again after treatment?

A. Although rare, reinfection can occur.

So after treatment, it is good to continue regular checkups and consistently monitor oral hygiene.

If necessary, treatment can be performed depending on the case.

Radiation or medication use is adjusted to proceed as safely as possible.

Root canal treatment is more than simply treating a painful tooth;

it is an important process for keeping the tooth healthy for a long time.

Rather than being afraid and delaying treatment, receiving it at the right time is actually the smartest way to reduce pain and save time.

At Lucid Dental Clinic, we support those who have delayed treatment out of fear of pain

with careful explanations and customized treatment plans so they can receive care more comfortably.

If you have been hesitating about treatment, now may be the time to end that worry.

Set aside your misconceptions and concerns about root canal treatment for a moment,

and start by getting an expert diagnosis.

Lucid Dental Clinic is always rooting for your healthy teeth :)

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Lucid Dental Clinic 3rd–4th Floors, Coway Building, 606 Nonhyeon-ro, Gangnam-gu, Seoul

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