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Mokgok-dong Dental Clinic_2. Is sinus lift surgery dangerous? A realistic summary of side effects

Seoul DIA Dental Clinic · 서울디아치과의원 · March 3, 2026

Hello. A dental clinic that starts by looking at the basics, This is Seoul Dia Dental Clinic. ​ March has begun. It’s only one page on the calendar, but doesn’t it somehow feel lik...

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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: Seoul DIA Dental Clinic

Original post date: March 3, 2026

Translated at: April 20, 2026 at 3:20 AM

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

Hello.

A dental clinic that starts by looking at the basics,

This is Seoul Dia Dental Clinic.

March has begun.

It’s only one page on the calendar,

but doesn’t it somehow feel like a fresh start? Haha.

It’s a good time to get your mind in order,

check on delayed tasks,

and also check your teeth once.

(For an oral checkup!! Come to Seoul Dia Dental Clinic, haha)

In Part 1,

we covered the topic,

“Do I really need a sinus lift? What happens if I don’t do it?”

If you haven’t read it yet,

you may want to read that post first.

Now, today is Part 2.

Sinus lift surgery,

the first question many people ask.

“Isn’t it dangerous?”

“I heard there are a lot of side effects.”

Of course, once you hear the word

surgery,

it makes you nervous.

So today,

we’ll talk about the [risks and side effects of sinus lift surgery]

with a realistic perspective, not a fear-inducing one.

If your heart already dropped while searching,

you can just read this post from here on.

Sinus lift surgery,

what exactly does it involve?

Mokgok-dong Dental Clinic_2. Is sinus lift surgery dangerous? A realistic summary of side effects image 1

Mokgok-dong Dental Clinic_Upper molar implant with sinus lift

Above the upper molars,

there is an air-filled space called the “maxillary sinus.”

As the name suggests, it is an empty space.

Beneath it,

there is a thin membrane.

It is really thin.

It feels like a sheet of paper.

Sinus lift surgery is the process of

carefully lifting that membrane

and creating space for bone grafting and the implant to be placed.

The sinus membrane is

thin, sensitive, and delicate.

You can think of it as the feeling of lightly touching the inside of a balloon with your fingertips.

What matters is not lifting it a lot.

What matters is how carefully it is handled.

This surgery is not about “strong force.”

It is about “delicacy.”

That is why experience and diagnosis are important.

At Seoul Dia Dental Clinic,

we first accurately check the structure with a CT scan.

What are the side effects of sinus lift surgery?

  1. Maxillary sinus inflammation

Mokgok-dong Dental Clinic_2. Is sinus lift surgery dangerous? A realistic summary of side effects image 2

Mokgok-dong Dental Clinic_Maxillary sinus inflammation

Once surgery is involved,

people naturally worry about bleeding and inflammation.

When the gums are opened,

the inside that was previously hidden is briefly exposed.

That also creates a possibility for bacteria to enter.

In particular, people with rhinitis

or sensitive noses

may experience nasal congestion, headaches, yellow nasal discharge,

or a dull, heavy pain around the upper molars.

That does not mean it immediately leads to a major problem.

In most cases, it can be sufficiently controlled with medication.

If needed, irrigation or drainage treatment is performed,

and in some cases, treatment is coordinated with an ENT specialist.

The key point is this.

There is a possibility,

but there are also already prepared ways to respond.^^

  1. Sinus membrane perforation

Mokgok-dong Dental Clinic_2. Is sinus lift surgery dangerous? A realistic summary of side effects image 3

Mokgok-dong Dental Clinic_Perforation

The thin membrane between the maxillary sinus and the jawbone

can potentially be damaged during surgery.

Because it is as thin as paper, delicacy is important.

If the membrane is damaged,

the upper space and the lower bone may connect,

which can affect implant stability.

So the essence of this surgery is not

“How much can it be lifted?”

but rather

“How well can the membrane be protected?”

The difference is in the details.

Is sinus lift surgery dangerous?

Mokgok-dong Dental Clinic_2. Is sinus lift surgery dangerous? A realistic summary of side effects image 4

Seoul Dia Dental Clinic, Mokgok-dong_Sinus surgery

Sinus lift surgery is not

a procedure to be afraid of from the start.

But it is also not something to take lightly.

It is a surgery performed after accurately checking the bone height with CT,

confirming the condition of the membrane,

and proceeding only when the conditions are right.

Just as you wouldn’t start driving without checking the brakes,

this surgery is not performed without confirmation.

Let’s summarize.

Sinus lift surgery is

not necessarily a dangerous procedure.

It is performed only when necessary,

after accurate CT evaluation.

There is a possibility of inflammation or membrane damage,

but in most cases, it remains within a manageable range.

The goal of an implant is

not simply to be placed,

but to last for a long time.

Sinus lift surgery,

just hearing the name is enough to make you nervous.

But:

it is not a procedure that must always be avoided,

and it is also not something to say,

“Oh, let’s just do it,” without careful thought.

The key comes down to two things.

First, how much bone is currently left.

Second, whether the situation truly requires it.

After confirming the condition through sufficient examination,

the procedure is carried out when the conditions are right.

Mokgok-dong Dental Clinic_2. Is sinus lift surgery dangerous? A realistic summary of side effects image 5

Mokgok-dong Dental Clinic_Implant consultation

At Seoul Dia Dental Clinic,

we do not push ahead with a “let’s just do it” approach.

We start by looking at the basics and first consider whether you will still be chewing well 10 years from now.

In Part 3,

we will realistically look at the question,

“When is it possible without a sinus lift?”

So far, this has been Seoul Dia Dental Clinic near Magok Station,

a dental clinic that properly looks at the basics first.

[ This post was written in accordance with the Medical Service Act for the purpose of providing accurate information about dental surgeries 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. ]

[Seoul Dia Dental Clinic Sinus Lift Surgery Series 2]

  1. The necessity of sinus lift surgery and the problems that occur if it is not done

  2. Risks and side effects of sinus lift surgery

  3. Cases where implants are possible without a sinus lift

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