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Magok-dong Dental Clinic_3. A Complete Guide to the PDRN Gum Regeneration Injection Procedure, Pain, and Safety

Seoul DIA Dental Clinic · 서울디아치과의원 · December 17, 2025

Hello. For dental topics, we do not try to scare you for no reason. We explain exactly what you need to know and minimize unnecessary worry. This is Seoul Dia Dental Clinic in Mago...

AI translation notice

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: Seoul DIA Dental Clinic

Original post date: December 17, 2025

Translated at: April 20, 2026 at 1:41 PM

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

Hello.

For dental topics, we do not try to scare you for no reason.

We explain exactly what you need to know and minimize unnecessary worry.

This is Seoul Dia Dental Clinic in Magok-dong.

In Part 1, we explained

“Why is PDRN called a gum regeneration injection?”

and in Part 2,

“Which types of gums may benefit, and in which cases it is difficult to expect results.”

We covered those points quite honestly.

So now, the remaining questions come down to almost one thing.

“So…

Does the injection hurt?”

“How many times do I need to get it?”

“Since it is injected into the gums, it somehow feels even scarier…

Is it safe?”

In today’s Part 3,

we’ll talk about the actual procedure for the PDRN gum regeneration injection,

and the two things many people are most curious about:

pain and safety.

We’ll discuss them realistically, without exaggeration.

PDRN gum regeneration injections

are carried out much more ‘lightly’ than you might think.

When people first come in for a consultation,

we often get questions like these.

“Is this like surgery?”

“You’re not cutting or stitching the gums, right?”

To get straight to the point,

the gum regeneration injection is not surgery.

There is no incision, no stitching, and almost no recovery period.

That is why, in fact,

the more common reaction is,

“I was surprised at how simple it was.”

  1. Diagnosis of the gum condition

Magok-dong Dental Clinic_3. A Complete Guide to the PDRN Gum Regeneration Injection Procedure, Pain, and Safety image 1

Magok-dong Dental Clinic_Checking the condition inside the mouth

We first look at how much inflammation is present in the gums,

what caused the gums to thin,

and whether this is simply a recovery stage or a structural problem.

Here is one important point.

We do not recommend PDRN to everyone.

In fact, after consultation,

there are not a few cases where it ends with,

“You do not really need it right now.”

“If you manage it well, that should be enough.”

  1. Topical anesthesia on the injection area

Magok-dong Dental Clinic_3. A Complete Guide to the PDRN Gum Regeneration Injection Procedure, Pain, and Safety image 2

Magok-dong Dental Clinic_Topical anesthesia

Just hearing the word “injection”

is enough to make many people tense up.

That is why, before giving the gum regeneration injection,

we apply a spray or gel containing an anesthetic ingredient to the gums.

If you wait just 1–2 minutes,

the gum in that area will feel as if sensation has dulled.

Through this process,

we make the gum surface more comfortable,

minimize the stinging sensation,

and reduce psychological tension at the same time.

  1. PDRN injection into the gums

Magok-dong Dental Clinic_3. A Complete Guide to the PDRN Gum Regeneration Injection Procedure, Pain, and Safety image 3

Magok-dong Dental Clinic_ PDRN injection

The PDRN gum regeneration injection

does not get injected randomly across the entire gum.

  • Areas where the gums have become weak

  • Areas that need recovery

  • Points that need reinforcement after treatment

It is performed selectively like this.

The procedure usually takes about 5–10 minutes,

and since there is no incision or stitching, there is almost no bleeding.

In general,

it is done 1–3 times at intervals of 2–4 weeks.

One point to note here.

More injections do not mean better treatment.

It is best to proceed only as much as needed,

according to the condition.

  1. Return to daily life immediately after the procedure

Magok-dong Dental Clinic_3. A Complete Guide to the PDRN Gum Regeneration Injection Procedure, Pain, and Safety image 4

Magok-dong Dental Clinic_Restrictions on hot food intake

One of the advantages of PDRN

is that there are very few restrictions after the procedure.

If you are only careful for a short time with very hot or hard foods,

you can eat right away.

Going to work, going out, and keeping appointments are all fine.

It is a simple procedure that does not require a special recovery period.

Does the PDRN gum regeneration injection hurt?

Magok-dong Dental Clinic_3. A Complete Guide to the PDRN Gum Regeneration Injection Procedure, Pain, and Safety image 5

Magok-dong Dental Clinic_Gum regeneration injection

This question should be answered honestly.

There may be a brief stinging sensation,

but there is almost no feeling of deep piercing,

and after the procedure, most people feel only a slight heaviness.

That is the usual response.

“Wow, this is much better than I expected.”

“I guess I worried too much about this.”

In particular, if you found anesthesia injections during dental treatment or scaling more uncomfortable,

PDRN tends to feel much more comfortable.

Is it safe to get an injection into the gums…?

Magok-dong Dental Clinic_3. A Complete Guide to the PDRN Gum Regeneration Injection Procedure, Pain, and Safety image 6

Magok-dong Dental Clinic_PolyDeoxyRiboNucleotide

The PDRN gum regeneration injection

contains an ingredient called PolyDeoxyRiboNucleotide,

which is a very small DNA component obtained from salmon,

and is a DNA fragment very similar to the cell structure of the human body.

In fact, this ingredient

has already been used for a long time in dermatology and orthopedics

for wound healing and tissue regeneration.

In other words, this is not some suddenly new injection.

However, here is one important point!

No matter how gentle the ingredient may be,

  • if you are pregnant,

  • if you have a specific drug allergy, or

  • if you have a systemic disease,

pre-checks are absolutely necessary.

That is why we never proceed by saying,

“Shall we just try it once?”

We first look at the gum condition and the overall health condition,

and only then confirm whether the person is suitable for it.

If I summarize today’s post in one line

The PDRN gum regeneration injection

is neither painful nor burdensome,

but it is not a treatment that everyone necessarily needs either.

The procedure is simple,

pain is minimal,

and safety is relatively high,

but it only makes sense when the gum condition is appropriate.

Magok-dong Dental Clinic_3. A Complete Guide to the PDRN Gum Regeneration Injection Procedure, Pain, and Safety image 7

Magok-dong Seoul Dia Dental Clinic

The standard at Seoul Dia Dental Clinic in Magok-dong is actually quite simple.

We skip “doing it because it exists,”

and first check, “Is it really necessary for this gum right now?”

So if it seems helpful at this timing,

we explain clearly why it is needed,

and if it is still not necessary yet, we do not recommend it.

Please first check whether your gums are

in a state where they need rest,

in a state where they may improve with help,

or in a state where another method should come first.

There is no need to rush.

Looking carefully and accurately,

little by little, is easier on the gums and also more comfortable for your mind. ^^

[ This post was written in accordance with the Medical Service Act, for the purpose of providing correct information about dental surgery and procedures. Infection and side effects may occur after surgery, so you should decide on surgery (procedure) only after sufficient consultation with a skilled medical professional. ]

[Magok-dong Seoul Dia Dental Clinic PDRN Series]

  1. Why PDRN is used for the gums

  2. Cases where you can expect PDRN to be effective vs. cases where it is difficult

3.. The PDRN procedure process, pain, and safety

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