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Garak-dong Dental Clinic - If It Feels Sharp When You Chew!

Uline Dental Clinic (Gangnam Station Branch) · 연세유라인치과의원 · January 28, 2026

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! ​ Hello. I’m Shin Seung-hwan, the chief director of Yonsei Uline Dental Clinic, Garak-dong branch, near Garak Market Sta...

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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: Uline Dental Clinic (Gangnam Station Branch)

Original post date: January 28, 2026

Translated at: April 20, 2026 at 6:08 AM

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

Hello. I’m Shin Seung-hwan, the chief director of Yonsei Uline Dental Clinic, Garak-dong branch, near Garak Market Station in Garak-dong, Songpa-gu.

Today, I’d like to talk about why it can feel sharp when you chew.

A crack in a tooth is called a “crack.”

In the past, it mainly appeared in older adults,

but recently it has been found more and more often

in younger people as well.

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 1

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 2

Sometimes a tooth cracks because it hits something due to external impact,

but the most common cause in reality is

the repeated force applied during everyday chewing.

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 3

If you look closely at the surface of a molar,

it is not completely flat and has many curves and grooves.

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 4

This structure helps you crush and chew food well,

but at the same time, it continually transfers forces

in a direction that naturally spreads the tooth apart.

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 5

As time goes by and you get older,

teeth wear down, the surface gradually becomes smoother,

and you end up chewing with stronger force than before.

That force is no longer used only to break down food,

but acts in a direction that splits the tooth itself, causing cracks.

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 6

Teeth that have undergone resin or inlay treatment for cavities

can be even more vulnerable.

When the naturally hard enamel no longer covers the entire tooth,

a tooth that has been partially removed and filled with artificial material

can no longer be considered structurally one complete solid piece.

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 7

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 8

The less tooth structure remains, the lower the resistance

against chewing force becomes,

and over time the likelihood of a crack increases.

Another important cause is the habit of chewing only on one side.

You should use both sides evenly,

but many people unconsciously use only one molar side.

At first, there is no particular feeling,

but when force accumulates repeatedly in the same area,

eventually it causes a crack in the tooth on that side.

When a crack develops, a brief sharp or tingling pain

can appear while chewing.

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 9

In the early stages, the discomfort is often not severe,

so many people just let it pass,

but if the crack continues to progress, inflammation can reach

the tooth nerve inside, and eventually root canal treatment and

crown treatment become necessary.

Because the treatment process becomes more complex, and the tooth may

become weaker than before after treatment,

detecting it early is more important than anything else.

If you repeatedly feel a sharp sensation when chewing,

don’t dismiss it as simple tooth wear and it is better to

receive a detailed examination at a dental clinic.

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 10

A crack is not a problem that happens only because of poor care,

like cavities.

Even people who brush well and get regular checkups

can develop this problem as they use their teeth for a long time.

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 11

In particular, if you grind your teeth or clench your jaw,

if your front teeth are not aligned evenly and you end up

using your molars more, or if you often eat chewy and hard foods

such as dried squid or dried snacks,

the risk of cracks is higher.

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 12

Garak-dong Dental Clinic - If It Feels Sharp When You Chew! image 13

Some people also think that frequently chewing gum is good for training the teeth,

but teeth are not structures that become stronger like muscles;

they are structures that wear down with use, like tires.

Continuously applying strong force repeatedly can actually become a cause of cracking.

Once a tooth cracks, it does not heal naturally.

That is why not taking early symptoms lightly,

and receiving an accurate diagnosis and appropriate protective treatment,

is the most realistic way to use your teeth for a long time.

This has been Yonsei Uline Dental Clinic in Garak-dong, Songpa-gu.

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