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Balsan Station Dental Clinic: A Detailed Look at the Rubber Dam, a Tool Widely Used in Treatment

Every Dental Clinic · 에브리치과의원 · March 25, 2026

Hello, this is Balsan Station Dental Clinic. I’m Lee Soo-kyung, a specialist in integrated dentistry. “Now I’ll place something that looks like a ring around the tooth.” “I’ll cove...

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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: Every Dental Clinic

Original post date: March 25, 2026

Translated at: April 19, 2026 at 7:46 PM

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

Hello, this is Balsan Station Dental Clinic.

I’m Lee Soo-kyung, a specialist in integrated dentistry.

“Now I’ll place something that looks like a ring around the tooth.”

“I’ll cover the entire mouth with something like an umbrella.”

. . .

If you have been receiving treatment at a clinic, you may have heard words like these at least once.

This is the process of placing an auxiliary device called a ‘rubber dam.’

Even if the name sounds familiar from somewhere, it is not easy to know exactly what role it plays.

So today, at Balsan Station Dental Clinic, let’s take a closer look at what a rubber dam is and what it does.

Balsan Station Dental Clinic Oral Information

  1. What is a rubber dam?

Just as a structure that blocks the flow of water in a river is called a dam, a rubber dam works on a similar principle.

Balsan Station Dental Clinic: A Detailed Look at the Rubber Dam, a Tool Widely Used in Treatment image 1

A thin rubber sheet is attached to a retaining device and placed on the teeth,

so that only the area being treated is exposed, while the rest of the oral cavity is completely blocked off.

In other words, it acts as a small waterproof barrier that protects only the necessary part of the mouth.

It helps prevent saliva, bacteria, disinfectant, and other substances from entering the treatment area, allowing treatment to proceed more safely and accurately.

Balsan Station Dental Clinic Oral Information

  1. Why is it necessary?

First, it is often used in pediatric care.

Compared with adults, children have more difficulty controlling tongue movement, and their saliva production is greater, so the treatment environment can easily become unstable.

In such cases, not only does the treatment time become longer, but the bonding strength of restorative materials may also decrease,

and if a child who already feels strongly resistant to treatment suddenly moves, there is also a risk that small instruments or materials may fall into the mouth.

Even in adults, it is used to prevent situations where treatment materials may go down the throat, especially when using small, sharp instruments like needles or handling disinfectants.

Balsan Station Dental Clinic: A Detailed Look at the Rubber Dam, a Tool Widely Used in Treatment image 2

In other words, once a rubber dam is placed, the treatment area is exposed in a clean and stable way,

which secures the field of view and stabilizes the procedure environment.

As a result, the quality of the restoration improves, and the advantages of the materials can be fully utilized.

It also helps prevent unexpected accidents, making treatment safer.

Balsan Station Dental Clinic Oral Information

  1. When should it be avoided?

To place a rubber dam, a clamp is used to support the tooth.

Balsan Station Dental Clinic: A Detailed Look at the Rubber Dam, a Tool Widely Used in Treatment image 3

Balsan Station Dental Clinic: A Detailed Look at the Rubber Dam, a Tool Widely Used in Treatment image 4

It is used in most cases, but it is better to avoid it in the following situations.

◾ When the tooth structure is weak If the outer wall of a natural tooth is too thin, or if the tooth structure is significantly damaged,

the tooth may be at risk of breaking further when the clamp is placed.

◾ Rubber allergy If you have an allergic reaction to the rubber sheet, be sure to inform the medical staff in advance.

If necessary, measures can be taken so that the soft tissue and the rubber sheet do not come into contact, or a latex-free product can be used.

◾ When certain health conditions are present For patients with jaw joint problems, illness, a cold, asthma, those who need to breathe through the mouth, or, in rare cases, those with claustrophobia

In such cases, it is safest to discuss it in advance before the procedure and decide whether to use it.

Balsan Station Dental Clinic Oral Information

  1. Is it really necessary?

As mentioned earlier, it plays an important role in improving treatment accuracy and safety.

Because it blocks moisture in the mouth and keeps the oral environment, especially the interior of the mouth that is not easy to see, in a consistent state,

its greatest advantage is that it helps the medical team carry out precise procedures with concentration.

This can ultimately lead to differences in the outcome,

and it also has a positive effect on reducing the likelihood that materials will come loose.

It may feel restrictive at first, but most people adapt within a short time,

and in many cases, the procedure actually feels more comfortable.

If you understand the principles and advantages of the rubber dam we looked at today, it may feel more familiar.

It is more than just a tool for isolating teeth; it is an important device that protects patient safety and improves the quality of treatment.

At first, keeping your mouth open wide and maintaining the rubber sheet may feel unfamiliar and uncomfortable,

but I hope you will remember that this is an essential step for achieving healthier and longer-lasting treatment results.

This has been Lee Soo-kyung from Balsan Station Dental Clinic. Thank you.

Balsan Station Dental Clinic: A Detailed Look at the Rubber Dam, a Tool Widely Used in Treatment image 5

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