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Maggok Dental Clinic Q&A on Pain After Root Canal Treatment, Recurrence, Pregnancy, and More

Yonsei Weshe Dental Clinic · 모든 이들의 미소를 아름답게, 연세위시치과✨ · November 9, 2025

Hello~ :D I’m saying hello from Magok Dental Clinic, Yonsei Wish, hoping that everyone’s beautiful smiles will be restored. As soon as October began, the hot summer weather disappe...

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: Yonsei Weshe Dental Clinic

Original post date: November 9, 2025

Translated at: April 20, 2026 at 6:45 PM

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

Maggok Dental Clinic Q&A on Pain After Root Canal Treatment, Recurrence, Pregnancy, and More image 1

Hello~ :D

I’m saying hello from Magok Dental Clinic, Yonsei Wish,

hoping that everyone’s beautiful smiles will be restored.

As soon as October began, the hot summer weather disappeared in an instant,

and autumn arrived, with a little rain falling every day and chilly winds blowing.

I hope everyone always takes care of their health.

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AUTUMN

The season when the sky is high and horses grow fat, autumn is also considered a great season for reading.

It is also a time that brings to mind sweet desserts that make you happy just thinking about them, such as macarons, donuts, cakes, and waffles that you can enjoy in a quiet cafe.

And as you know, foods high in sugar are very harmful to cavities.

However, cavities are not something that become clearly visible the moment they appear, and they do not immediately hurt either.

Because people are also afraid of going to the hospital, there are cases where they come only after the disease has already progressed significantly.

And when that happens, there is a high chance it will lead to a root canal treatment.

Yes, the one many people fear.. That’s right.

Although it has already become a common case for modern people, we have gathered the Q&A that many of you were curious about regarding this treatment, which is intimidating even before it begins.

I hope it includes the parts you were wondering about as well.

Then let’s check the details below. When Should You Get a Root Canal?

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Magok Dental Clinic will explain the definition of this treatment and when it is needed.

Its formal name is endodontic treatment.

It involves removing the infected pulp tissue, cleaning and disinfecting the root canal,

then filling the empty space with a biocompatible material and sealing it,

and finally covering it with a prosthetic restoration such as a crown.

Inside our teeth is a tissue called the pulp, which contains nerves and blood vessels.

When decay occurs or a crack forms due to external impact, and bacteria invade this area, inflammation and infection occur.

At this point, severe pain appears, and if you just take painkillers and leave it alone, you may later face a situation where extraction is the only option, so it is best to respond quickly.

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That is why

1️⃣ When persistent pain is felt in an area suspected of having a cavity

2️⃣ When a tooth has broken or cracked and the pulp is exposed

3️⃣ When an abscess (pus pocket) has formed near the root

4️⃣ When you have recently started feeling sensitivity when drinking cold water or hot soup,

5️⃣ When there is throbbing pain even without pressing on it,

6️⃣ Or when the gums are swollen and pus is coming out

it is advisable to visit promptly and get examined. Tooth Discoloration? Why a Crown Is Necessary!

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Many people are surprised when they hear that discoloration may occur.

Not every case is like that, but there are cases where the tooth gradually changes color over time, becoming yellowish or grayish.

However, this is not something wrong; it is a natural occurrence, and Magok Dental Clinic will explain the principle in detail.

The reason discoloration occurs after root canal treatment is thought to be because, as the pulp tissue disappears, the supply of nutrients to the inside is cut off.

Also, there are cases where residual microscopic blood components from the procedure oxidize, and the tissue itself loses moisture, causing discoloration.

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That is why a crown is placed over it to cover the tooth.

Depending on the material, this crown can be chosen to match the color of a natural tooth,

so it solves the cosmetic issue above and also provides protection by preventing bacteria from entering from the outside. How Long Do Recurrence and Post-Treatment Pain Last?

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Next, Magok Dental Clinic will explain how long recurrence and post-treatment pain last.

You may think, “But I thought all the cavities were removed—why did they come back? Did something go wrong?”

Even after a crown is placed following endodontic treatment, this can happen again.

This is called secondary caries.

In many cases, food debris remains in tiny gaps at the edge of the crown, turns into tartar, or bacteria invade.

In other cases, it can occur in adjacent areas as well, and both of the above cases can be said to happen due to insufficient oral hygiene management.

In addition, because the root canal structure is complex, cleaning can be unstable and new decay can develop again.

Also, while eating hard or chewy foods, the prosthetic restoration may come off or break, so caution is needed in those situations as well.

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And the area many people fear is probably the pain that comes right afterward, but we should say that to some extent, it is unavoidable.

This is because the process of cleaning the root canal can刺激 other surrounding tissues.

The degree differs from person to person, so it is difficult to say for certain, but discomfort may last for about 1 to 3 days.

At that time, it can be adequately managed with the prescribed pain relievers and anti-inflammatory medication, so there is no need to worry too much.

However, if the pain gets worse, continues even after three days, and the face or gums become very swollen, with fever and chills,

it may be a sign of reinfection or failure, so it is best to visit again promptly for a re-examination. Can Pregnant Women Also Receive It?

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This time, Magok Dental Clinic will explain treatment for pregnant women.

Some people think that because there is a baby in the womb, it may have an effect, so it is better to be careful and postpone treatment.

However, the infection that may result from that, progression to periodontal disease, and the stress caused by ongoing pain and discomfort can all negatively affect both the mother and the fetus.

If it is not the early stage or the imminent stage that requires special caution, then during the second trimester (months 4 to 6), it is fine to receive related treatment.

However, you must inform the clinic in advance so that a local anesthetic safe for the fetus can be used and procedures such as X-ray imaging can be adjusted. What Are the Prevention Methods and Precautions?

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But above all, the best method is prevention.

Lastly, let Magok Dental Clinic summarize the preventive methods.

As always, brushing your teeth is the top priority.

Usually, people know to brush three times a day within three minutes after meals, but there are other things worth checking as well.

It is best to brush the upper teeth from top to bottom and the lower teeth from bottom to top with a sweeping motion,

and brush the gums thoroughly as well, but not too forcefully.

In particular, brush the boundary between the gums and the teeth carefully, and for places that the toothbrush cannot reach, such as the interproximal areas and boundary regions, it is recommended to use interdental brushes and dental floss together.

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It is also good to avoid snacks high in sugar and carbonated drinks, and be sure to rinse with water after meals.

Above all, the key is to receive regular checkups and scaling every 6 months to 1 year, so that you can be monitored and respond early.

In addition, even after receiving treatment, please continue to follow the points above well,

avoid eating hard foods, and manage the crown by checking its condition through regular checkups.

We also ask that you make sure to quit smoking and avoid drinking alcohol!

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Through today’s post, I hope the vague concerns you had have become much clearer.

Compared with the past, these days there is less pain and the success rate has improved.

However, all of that is only possible when you receive professional care at the right time and continue to manage things well afterward.

If you are still quietly suffering from tooth pain even now, I would recommend getting checked before it is too late.

Yes, then I will finish here and say goodbye.

This has been from Magok Dental Clinic Yonsei Wish, wishing you to regain the beautiful smile you originally had.

Thank you.

I hope you enjoy the rest of your day~