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Gangnam Root Canal Treatment: If You Are Suffering from Persistent Pain

LUCID Dental Clinic · 루시드치과 · November 21, 2025

​ Hello. This is Lucid Dental Clinic. Do you really need root canal treatment? ​ If your tooth throbs, or if you feel pain when hot or cold food touches it, many people tend to bru...

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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: LUCID Dental Clinic

Original post date: November 21, 2025

Translated at: April 20, 2026 at 6:04 PM

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

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Hello. This is Lucid Dental Clinic.

Do you really need root canal treatment?

If your tooth throbs, or if you feel pain when hot or cold food touches it, many people tend to brush it off, thinking, “It’ll pass.”

However, if these symptoms repeat, that may be a sign that the nerve inside the tooth is being damaged.

In particular, if the pain lasts for several minutes or more, or if it hurts more when lying down, there is a high chance that the condition has progressed to the point where root canal treatment is needed.

Root canal treatment is the final treatment step that can save a tooth, and if it is not received at the proper time, it can eventually lead to extraction.

Today, I’ll explain in detail what root canal treatment actually is, how the procedure is carried out, and even a self-check method you can use to assess it yourself.

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What is root canal treatment?

Root canal treatment is a procedure performed when the tooth’s pulp becomes inflamed or infected. It removes the damaged nerve tissue and disinfects the inside so the tooth can be used again without problems.

A tooth has nerves and blood vessels inside the hard enamel, so if it is hit or if decay becomes deep, it can be damaged easily. When inflammation spreads to the nerve, natural recovery is impossible, so professional treatment is absolutely necessary.

Simply put, it is the process of removing the painful nerve so the tooth can be used for as long as possible.

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Why is it necessary?

Root canal treatment may seem like a treatment you have no choice but to get, but in fact, it is one of the most important treatments for protecting a tooth.

  1. It progresses into a stage where pain becomes worse and worse Inflammation of the nerve does not go away on its own. At first, the pain may be intermittent, but over time it can worsen into persistent pain and throbbing pain.

  2. Pus can collect inside the tooth and inflammation can spread to the root tip If left untreated, inflammation can develop at the root tip, and the face may swell or fever may occur. In such cases, additional treatment or long-term treatment may be needed.

  3. It can eventually lead to extraction If treatment is delayed after the stage where root canal treatment alone could still solve the problem, the tooth may no longer be salvageable, and it can end up requiring an implant or bridge, which also increases the burden of time and cost.

At Lucid Dental Clinic in particular, the priority is to preserve the patient’s tooth as much as possible. When performing root canal treatment, the clinic systematically applies the necessary precise analysis and step-by-step sterilization process to help the tooth last longer.

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Representative symptoms that may indicate root canal treatment is needed

If you have the following symptoms, it is a good idea to consider root canal treatment.

▪️Strong pain with hot or cold food Not just brief pain, but pain that lasts for several minutes or more

▪️Pain gets worse before going to sleep A throbbing or pulsing sensation when lying down

▪️Heaviness and tenderness when chewing A feeling of pain deep inside the tooth when biting down

▪️Swelling and warmth in the face and gums without an obvious cause In this case, the inflammation may already have spread to the root.

▪️When there is deep decay and a wide dark area

Check with a self-diagnosis test

  1. Ice test When cold water is put in the mouth, if the pain lasts for 5 seconds or more, the possibility of nerve inflammation goes up

  2. Warm water test The stronger the pain becomes in warm water, the deeper the stage of nerve damage may be

  3. Dull pain when pressed with a finger If there is pain when tapping the tooth, root inflammation is suspected

  4. Chewing strength weakens ▪️Only chewing on one side If you unconsciously avoid using it, there are many cases where internal inflammation has already progressed

Self-diagnosis is only for reference, and the safest way is to confirm the exact condition through diagnostic equipment.

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How is root canal treatment carried out?

At Lucid Dental Clinic, root canal treatment is performed based on a systematic step-by-step system.

  1. Precise examination The internal structure of the tooth, which cannot be seen with the naked eye, is checked to accurately analyze the area of inflammation, the shape of the root canal, and any lesion at the root tip.

  2. Removal of the inflamed area and nerve removal The inflamed nerve tissue is removed, and the inside is cleaned out completely. This process is carried out after anesthesia to reduce pain.

  3. Cleaning and sterilizing the pulp chamber and root canal The space where the tissue was removed is sterilized and cleaned to minimize the risk of reinfection. It is very important that this step be performed thoroughly.

  4. Root canal filling The emptied space is filled with a biocompatible material to prevent infection from recurring.

  5. Finishing with a crown After root canal treatment, the tooth becomes weaker, so it is completed by covering it with a prosthesis to prevent fracture when biting.

How much pain is there during root canal treatment?

This is something many people worry about, but in reality, because it is performed after anesthesia, the pain during treatment is not severe. After treatment, there may be some tenderness or discomfort, but in most cases it improves within a few days.

At Lucid Dental Clinic, we provide an environment where patients can receive treatment comfortably, including pain checks after anesthesia, a treatment approach designed to minimize burden at each step, and consultation for sedation therapy if needed.

How long does treatment take?

In most cases, treatment is completed in 2 to 3 visits, but if the inflammation is severe or the lesion at the root tip is large, additional visits may be necessary.

What matters most, however, is how accurately the area is sterilized and filled. Rather than simply reducing the number of visits, Lucid Dental Clinic carefully carries out treatment in a way that lowers the risk of recurrence.

Precautions after root canal treatment

▪️Be careful with hard foods ▪️Avoid chewing with the tooth being treated ▪️Maintain oral care consistently with brushing and interdental brushes ▪️If the pain is severe, visit the dental clinic immediately

Once the crown is completed, you can go about daily life without discomfort.

Why choose root canal treatment at Lucid Dental Clinic?

The root canal treatment system at Lucid Dental Clinic may be helpful for people in the following situations.

▪️Those who want to prioritize preserving their teeth ▪️Those who want a systematic and accurate treatment process ▪️Those whose quality of life has declined because of recurring pain and are worried about it ▪️Those who want a natural finishing touch with prosthetic restoration after treatment

Because Lucid Dental Clinic manages the process as one continuous flow from accurate diagnosis > systematic root canal management > natural prosthetic completion, it focuses on helping patients use their uncomfortable teeth for a long time again.

Once the nerve in a tooth is damaged, natural recovery is difficult. However, if treatment is received properly at the right time, the tooth can be preserved for a long time.

If the pain you normally feel has been occurring more frequently lately, we recommend getting an examination. Even coming in a little earlier can greatly reduce the scope of treatment and increase the chance of saving the tooth.

Lucid Dental Clinic carefully diagnoses the condition of each patient’s teeth, performs root canal treatment with a less burdensome method, and continues to guide patients so that care can be maintained well even after treatment.

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

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