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Samseong-dong Dental Clinic: Learn the Causes of Swollen Gums and How to Deal with Them

Oaks Dental Clinic · 옥스치과 · December 6, 2025

Samseong-dong Dental Clinic: Learn the causes of swollen gums and how to deal with them. Hello. This is Oks Dental Clinic. Gums that were fine as usual suddenly swell at some point...

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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: Oaks Dental Clinic

Original post date: December 6, 2025

Translated at: April 20, 2026 at 5:55 PM

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

Samseong-dong Dental Clinic: Learn the causes of swollen gums and how to deal with them.

Hello.

This is Oks Dental Clinic.

Samseong-dong Dental Clinic: Learn the Causes of Swollen Gums and How to Deal with Them image 1

Gums that were fine as usual

suddenly swell at some point,

throb when pressed,

and bleed even when you brush your teeth...

Many people have probably

experienced this at least once.

Gum swelling is a common symptom,

but because the causes are so varied and it can

lead to bigger problems if left untreated,

a correct diagnosis and proper response

are very important.

Today, we’ll explain why gums swell,

which situations are warning signs,

what you can do on your own,

and what treatment methods are available at the dental clinic,

from Samseong-dong Dental Clinic.

What is the most common cause of swollen gums?

There are many causes of swollen gums,

but the most representative

cause is periodontitis (gum disease).

Tartar and bacteria that build up between the teeth and gums

cause inflammation, leading to swollen gums,

bleeding, and bad breath.

In addition, gums can suddenly swell for a variety of other reasons, such as:

Food getting stuck between the teeth

and irritating the gums

A wisdom tooth partially erupting

and the gum covering it becoming inflamed

When immunity drops due to lack of sleep, stress, hormonal changes, and so on

When inflammation develops around an implant

(peri-implantitis)

When deep tooth decay spreads

to the root area

In cases where the gums are injured by incorrect brushing

Swollen gums are not simply a “swollen state”; they are a sign that inflammation has already started, so it should not be taken lightly.

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What problems can occur if gum swelling is left untreated?

Many people think,

“It will go down in a few days,”

and delay treatment, but gum swelling usually tends to get worse rather than improve on its own.

Problems that may occur if left untreated include:

Increasing gum pain and swelling

Gums receding, making teeth look longer

Increased tooth mobility

Pus buildup and worsening bad breath

Periodontal abscess, where inflammation spreads to the jawbone

Eventually, you may lose the tooth

In particular, if you feel pus, if the swelling lasts for more than two days, or if fever appears along with it, the inflammation has already progressed deeply, so you need to see a dentist right away.

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Emergency measures you can take at home when your gums are swollen

Even if your gums suddenly swell, the pain does not necessarily become severe right away, so there are some ways you can manage it briefly at home.

However, please remember that these methods are only temporary measures, and the underlying treatment must be done at the dental clinic.

Brush gently

Rather than brushing hard in a way that may cause irritation, brush gently and thoroughly to remove plaque.

Remove trapped food

Use interdental brushes or floss

to remove food stuck between the teeth.

Food pressure alone can cause the gums to swell significantly.

Cold compress

Applying a cold compress with an ice pack for about 10 minutes can help reduce swelling and pain.

Avoid irritating foods

Spicy foods, very hot foods,

and hard foods can temporarily worsen inflammation,

so it is best to avoid them.

However, if there is pus, pulsating throbbing pain, or a feeling of warmth, do not try to endure it at home—visit the clinic right away.

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How is treatment carried out at the dental clinic?

Because the cause of swollen gums differs from person to person,

the treatment also varies depending on the cause.

Careful diagnosis

We accurately identify the cause—whether it is gum disease,

a wisdom tooth problem, or tooth decay—through periodontal checks, X-rays,

and gum pocket examinations.

Scaling and gum treatment

If gum disease is the cause, we restore healthy gum conditions through tartar removal (scaling) and removal of inflammation from deep areas of the gums (root planing).

Medication prescription

If needed, antibiotics and pain relievers are prescribed

to quickly relieve inflammation and pain.

If the problem is a wisdom tooth

When there is pericoronitis (inflammation of the gum covering the tooth) or infection of the surrounding gums, extraction is also considered if necessary after an accurate diagnosis.

If it is peri-implantitis

Customized treatment such as removal of bacterial film around the implant, laser treatment,

and removal of deep inflammation is carried out.

Gum swelling caused by tooth decay infection

If inflammation at the root tip is the cause, root canal treatment or extraction may be necessary.

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Lifestyle habits you should definitely check if your gums keep swelling

If gum swelling keeps recurring, there may be a problem with your lifestyle habits themselves.

Brushing too hard or in the wrong direction

Not using floss or interdental brushes

Frequent late-night snacking and irregular meals

Stress and lack of sleep

Smoking

In particular, smoking is one of the strongest risk factors for gum disease; treatment success rates in smokers are lower than in non-smokers, and inflammation also tends to recur more easily.

In closing...

Swollen gums are a common issue that anyone can experience in daily life, but they are by no means something to dismiss lightly—they are a dental warning sign.

In particular, if it lasts for several days or is accompanied by pus, pain, warmth, or bad breath, the inflammation has already progressed significantly, so professional diagnosis is essential.

Are your gums swollen and painful right now?

It may not be a problem that can be solved by just enduring it for a while.

If you feel even a little discomfort, visit Samseong-dong Dental Clinic.

Not missing even small signs is the best way to protect the health of your teeth and gums.

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