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Hwagok-dong Implants: 3 Things You Must Check on CT Before Surgery

Seoul 365 One Top Dental Clinic · 강서구 치과의사 김근일의 진료기록 · February 6, 2026

Hwagok-dong Implants: 3 Things You Must Check on CT Before Surgery At Hwagok-dong implant dentistry, we will explain what needs to be checked on CT before implant surgery. Dr. Kim...

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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 365 One Top Dental Clinic

Original post date: February 6, 2026

Translated at: April 20, 2026 at 5:21 AM

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

At Hwagok-dong implant dentistry, we will explain what needs to be checked on CT before implant surgery.

Hwagok-dong Implants: 3 Things You Must Check on CT Before Surgery image 1

Dr. Kim Geun-il, Director of 365 Seoul One Top Dental Clinic

Hello.

I am dentist Kim Geun-il.

As a dentist, I have been treating patients in Hwagok-dong since 2018,

and during that time I have experienced a wide range of clinical cases.

When consulting with many patients

about implants,

I often get the question,

"Isn't it enough

to just take an X-ray?"

However, implants are a treatment that is placed in a hidden area.

That is why I consider CT scans before surgery

very important.

A 2D X-ray called a panoramic image

and a 3D precision CT are

not just simple tests,

but maps that determine the direction

of implant treatment.

Today, before implant surgery,

I will tell you the

three things that must be checked on CT.

(Please note that the images used below

are example materials to help explain)

What must be checked on panoramic X-rays and CT before implant surgery

I will explain why panoramic and CT scans are taken before surgery at a Hwagok-dong implant clinic

During implant consultations,

you may feel inconvenienced by

having to take CT and panoramic X-rays,

but there is a reason they must be taken.

These are the things I always check

during implant consultations and before surgery.

If you read the following, I think it will be a little easier to understand.

Hwagok-dong Implants: 3 Things You Must Check on CT Before Surgery image 2

  1. The amount and condition of the jawbone

The first thing checked through CT is

the jawbone, called the alveolar bone.

Many people think only of the bone's thickness

or height,

but in fact,

the density and condition of the bone

are also important.

Even if it appears sufficient on the outside,

if the inside bone is weak,

it is difficult for the implant to be

securely fixed.

In such cases, it is necessary to determine in advance

whether bone grafting is needed

or whether the treatment plan should be adjusted.

It is not simply a matter of

"can it be placed?"

but rather a process of seeing

whether it is in a condition that

can be used for a long time.

Hwagok-dong Implants: 3 Things You Must Check on CT Before Surgery image 3

Hwagok-dong Implants: 3 Things You Must Check on CT Before Surgery image 4

  1. Distance from the nerve,

the minimum standard for safety

In the lower jaw, a large nerve canal

called the inferior alveolar nerve passes through.

When performing lower jaw implant surgery,

if the distance from this nerve

is not checked accurately,

numbness or sensory changes

may occur after surgery.

Hwagok-dong Implants: 3 Things You Must Check on CT Before Surgery image 5

Through CT,

• the exact location of the nerve

• the safe depth where the implant can be placed

are calculated in advance.

Since an implant cannot be undone once placed,

a plan based on safety

is more important than anything else.

Hwagok-dong Implants: 3 Things You Must Check on CT Before Surgery image 6

Hwagok-dong Implants: 3 Things You Must Check on CT Before Surgery image 7

This is example image material from Hwagok-dong Implants for blog explanation.

  1. The direction of the implant with the prosthesis in mind

Implant treatment does not end with placement.

Only when the tooth (prosthesis) that will go on top is also considered

is the treatment truly complete.

Through CT,

• the angle at which the implant will be placed

• the direction in which chewing force is transmitted

• the relationship with the surrounding teeth

are also checked together.

Even if the direction is slightly off,

it can later cause discomfort while chewing

or place excessive force on the implant.

That is why I tend to spend

more time on the "plan"

than on the surgery itself.

Implant treatment is already half decided by the treatment plan before surgery.

The success of Hwagok-dong implants starts with the right treatment plan.

The success of implant treatment

depends greatly on the preparation process

before the surgery day rather than on the day itself.

Carefully reviewing the panoramic image and CT,

and making a plan suited to the patient's situation!

This process is exactly what 365 Seoul One Top Dental Clinic,

a Hwagok-dong implant clinic,

evaluates as an important part of implant care.

Implants are not just treatment that places teeth;

I think of them as treatment that designs the years ahead together.

That is why we look a little more,

explain a little more,

and make decisions a little more carefully.

Going forward,

for safe implant treatment,

I, dentist Kim Geun-il,

will always do my best at our Hwagok-dong dental clinic.

Thank you.

Hwagok-dong Implants: 3 Things You Must Check on CT Before Surgery image 8

Hwagok-dong Implants: 3 Things You Must Check on CT Before Surgery image 9

This post was written directly by the chief director, in accordance with Article 56, Paragraph 1 of the Medical Service Act, for the purpose of providing medical information to patients.

  • Side effects notice: After treatment, side effects such as infection, inflammation,

soft tissue complications, bleeding,

and sensory changes may occur.

  • Because dental treatment can cause different side effects depending on

a person's health condition,

please be sure to consult with medical staff before making a decision.

Hwagok-dong implants

📍 365 Seoul One Top Dental Clinic

4th Floor, 179 Gangseo-ro, Gangseo-gu, Seoul, Dongmyeong M Building

Hwagok-dong implant dentistry

1 minute on foot from Hwagok Station Exit 8

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