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[Retreatment Root Canal] The root canal treatment I had 10 years ago feels a bit uncomfortable...

Seoul Jeseng Dental Clinic · 신촌 치아지킴희 전준희 · May 20, 2025

​ ​ ​ Hello. I’m Director Junhee Jeon, the Dental Guardian of Sinchon. ​ I am a specialist in conservative dentistry. You can think of almost all cases related to natural teeth as...

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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 Jeseng Dental Clinic

Original post date: May 20, 2025

Translated at: April 20, 2026 at 5:27 PM

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

[Retreatment Root Canal] The root canal treatment I had 10 years ago feels a bit uncomfortable... image 1

[Retreatment Root Canal] The root canal treatment I had 10 years ago feels a bit uncomfortable... image 2

Hello.

I’m Director Junhee Jeon, the Dental Guardian of Sinchon.

I am a specialist in conservative dentistry.

You can think of almost all cases related to natural teeth

as my area of expertise.

Among them, the procedures I do most often are

cavity treatment, root canal treatment, and retreatment root canal treatment.

[Retreatment Root Canal] The root canal treatment I had 10 years ago feels a bit uncomfortable... image 3 20240805

The case we’ll look at today is a retreatment root canal for a male patient in his 20s.

He came to me because the treatment he had 10 years ago

somehow felt uncomfortable.

[Retreatment Root Canal] The root canal treatment I had 10 years ago feels a bit uncomfortable... image 4 20240805

After taking a CT scan, we could see that inflammation had developed

in the root-canaled tooth in the upper right.

When the cause is inside the tooth,

inflammation is usually seen as a round shadow near the root tip.

After carefully analyzing the CT,

we were able to confirm that there was an area missed

in the previous root canal treatment.

[Retreatment Root Canal] The root canal treatment I had 10 years ago feels a bit uncomfortable... image 5 20240905

After finding and cleaning the missed area,

the trapped pus can be seen bursting out through the tooth

like a fountain.

The pressure and discomfort around the tooth and cheek,

for which there had been no clear reason, will go away.

[Retreatment Root Canal] The root canal treatment I had 10 years ago feels a bit uncomfortable... image 6 20240926

After several rounds of disinfection and cleaning,

the root canal treatment was carefully completed.

From the head to the tip, it was sealed without a single gap.

[Retreatment Root Canal] The root canal treatment I had 10 years ago feels a bit uncomfortable... image 7 20240930

The final step of root canal treatment is a strong crown.

The chewing surface must be firmly protected with a crown

so that the inside of the tooth does not become infected again

or fracture.

[Retreatment Root Canal] The root canal treatment I had 10 years ago feels a bit uncomfortable... image 8 20250411

When about 6 months had passed after the treatment,

the patient returned for a regular checkup.

We could confirm that the area around the root had become clean.

[Retreatment Root Canal] The root canal treatment I had 10 years ago feels a bit uncomfortable... image 9

[Retreatment Root Canal] The root canal treatment I had 10 years ago feels a bit uncomfortable... image 10

Before treatment / After treatment

Average life expectancy is gradually increasing,

and implants do not last forever either.

If possible, using your natural teeth for as long as possible

is the wise choice.

I would like to thank the patient for patiently cooperating

and actively taking part in the treatment.

#ConservativeDentistry

#RetreatmentRootCanal

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