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Does a dental anesthetic injection hurt? Tips to make it less painful <Full disclosure>

Smile D Dental Clinic · 19년 경력 교정과 전문의✅환자 중심 스마일디치과 · August 22, 2025

Does a dental anesthetic injection hurt? Tips to make it less painful <Full disclosure> Hello. Cumulative procedures: 5,000 cases Empathizing with patients’ anxiety as well, creati...

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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: Smile D Dental Clinic

Original post date: August 22, 2025

Translated at: April 20, 2026 at 3:03 PM

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

Does a dental anesthetic injection hurt? Tips to make it less painful <Full disclosure>

Hello.

Cumulative procedures: 5,000 cases

Empathizing with patients’ anxiety as well,

creating a comfortable treatment experience

Smiling dentist,

Chief Director Oh Su-hwan of Smile D Dental Clinic.

Does a dental anesthetic injection hurt? Tips to make it less painful <Full disclosure> image 1

"Honestly,

the anesthetic injection is scarier than the treatment"

The reason many people hesitate to visit the clinic even though they know they need dental treatment.

Many people say, "I’m afraid the anesthetic injection will hurt too much."

Some say that the moment of getting the injection feels scarier than cavity treatment, gum treatment, or even major procedures like extraction or implants.

Does a dental anesthetic injection hurt? Tips to make it less painful <Full disclosure> image 2

In fact, we also hear requests like, "Doctor, please make the anesthesia painless," several times a day.

But dental anesthetic injections can be much more comfortable than you might think.

If you understand a few principles and know how the clinic carries out the procedure, unnecessary fear can be reduced.

Today, I’ll explain why dental anesthetic injections feel painful and how to receive them with less pain.

[Smile D Dental Clinic information]

[Directions to Smile D Dental Clinic]

Does a dental anesthetic injection hurt? Local anesthesia used in dentistry usually involves injecting medicine into the gums.

However, there are three main reasons patients feel that anesthesia hurts.

The pain when the needle goes in

The gums are an area with dense blood vessels and nerves, so they are more sensitive than the skin.

That is why you may feel a brief sting when the needle goes in.

Does a dental anesthetic injection hurt? Tips to make it less painful <Full disclosure> image 3

The pressure when the medicine is injected

What matters even more than the moment the needle enters is actually the pressure when the anesthetic is injected.

If the anesthetic is injected quickly all at once, the gum tissue suddenly expands and the pain increases.

Most patients who ask, "Why does a dental anesthetic injection hurt so much?" feel discomfort because of this pressure.

The patient’s level of tension

The more tense a patient is, the more sensitive the nerves become, so even the same stimulus can feel much more painful.

Does a dental anesthetic injection hurt? Tips to make it less painful <Full disclosure> image 4

And while some people react very sensitively even to small stimuli,

others can tolerate and move past relatively stronger stimuli.

This is called the pain threshold, and dental anesthetic injections feel different because of these individual differences.

At Smile D Dental Clinic, we understand these causes well,

so we use several methods at the same time to reduce pain.

Let me explain in more detail below.

Tips for getting it with less pain <Full disclosure> When I’m asked, "Does a dental anesthetic injection hurt?" I always say this.

"If you know the method, it can be much less painful than you think."

Here are the tips patients should definitely know.

Apply surface anesthesia first

If anesthetic is applied to the surface of the gums before inserting the needle, the skin sensation is dulled,

to the point where you may barely feel the sting when the needle goes in.

Use the thinnest needle possible

The thinner the needle, the less pain you feel.

That is why we use the thinnest needles possible to minimize stimulation.

Slowly control the injection speed

This is the most important point.

If the anesthetic is injected slowly and at a steady pressure, the gums accept it naturally and the pain is reduced.

We use a painless anesthetic injector to deliver the medicine at a steady speed, so discomfort is lower.

Does a dental anesthetic injection hurt? Tips to make it less painful <Full disclosure> image 5

Adjust the temperature of the anesthetic solution

If it is injected at a temperature closer to body temperature rather than room temperature, the stimulation is less.

Cold solution increases pain, so many clinics adjust for this.

Psychological comfort

It is also important to reduce tension through enough conversation with the patient.

When anxiety decreases, the pain you actually feel also drops significantly.

Through these steps, many patients actually tell us,

"I thought the dental anesthetic injection would hurt, but it’s better than I expected."

Does a dental anesthetic injection hurt? Tips to make it less painful <Full disclosure> image 6

Does a dental anesthetic injection hurt? Tips to make it less painful <Full disclosure> image 7

Dental anesthetic injections can be much more comfortable than you might think.

How much it hurts can vary greatly depending on who gives it and how it is done.

If you have been putting off treatment because you are afraid of injections, there is no need to worry.

At Smile D Dental Clinic, we apply a painless anesthesia system so patients can receive treatment comfortably.

If you have a strong fear of anesthesia, please contact us with any related questions and we will kindly guide you.

This has been Smile D Dental Clinic. Thank you.

[Smile D Dental Clinic information]

☎️ Smile D Dental Clinic phone number
0507-1449-2087
ℹ️ Smile D Dental Clinic website
Official website
🎥 Smile D Dental Clinic YouTube
YouTube

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