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The Need for and Principles of X-ray Imaging for Precise Oral Diagnosis at a Magok-dong Dental Clinic

Yonsei Weshe Dental Clinic · 모든 이들의 미소를 아름답게, 연세위시치과✨ · March 2, 2025

Hello, This is Director Yeo Sang-ho of a Magok-dong dental clinic. Many medical institutions go through the process of checking problems through radiographic imaging. In this proce...

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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: Yonsei Weshe Dental Clinic

Original post date: March 2, 2025

Translated at: April 20, 2026 at 5:38 PM

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

Hello,

This is Director Yeo Sang-ho of a Magok-dong dental clinic.

Many medical institutions

go through the process of

checking problems through radiographic imaging.

In this process, you may wonder:

Is radiation bad for the body?

Is it really necessary?

Because I understand these concerns well,

today I will explain the need for X-ray imaging during oral examinations

and the theoretical basis behind it.

An oral examination is

a process of discovering problems inside the mouth

that are difficult to identify by looking alone.

In this process, X-ray is also used as an important tool

to precisely evaluate the condition of internal structures such as

teeth, gums, and jawbone.

From here on, at the Magok-dong dental clinic,

I will introduce the limitations of direct observation.

The Need for and Principles of X-ray Imaging for Precise Oral Diagnosis at a Magok-dong Dental Clinic image 1

When viewed with the naked eye,

surface cavities, gum swelling, and inflammation

can be identified,

but

the tooth roots, cervical areas, and the degree of alveolar bone loss

are not easily identified.

The Need for and Principles of X-ray Imaging for Precise Oral Diagnosis at a Magok-dong Dental Clinic image 2

Therefore, by using X-ray imaging,

it is possible to check abnormalities in areas not visible to the naked eye

and diagnose cavities, microcracks, nerve-related problems, and more

early.

Next, I will explain what can be checked

with X-ray at a Magok-dong dental clinic.

a. Cavities and internal abnormalities

The Need for and Principles of X-ray Imaging for Precise Oral Diagnosis at a Magok-dong Dental Clinic image 3

Not only surface cavities,

but also whether decay has spread to the tooth’s pulp tissue

or to adjacent teeth

can be evaluated.

In addition,

it can be confirmed whether new decay or root inflammation

has appeared inside teeth covered by prosthetics such as

bridges or crowns.

b. Periodontal disease

The Need for and Principles of X-ray Imaging for Precise Oral Diagnosis at a Magok-dong Dental Clinic image 4

When a large amount of tartar has accumulated below the gums,

which is difficult to remove with scaling alone,

its location and amount can be accurately identified

through imaging and used as consultation material.

In addition,

by observing alveolar bone loss

and the inflammatory condition around the gums,

the likelihood of progression of periodontal diseases such as periodontitis

can be predicted before symptoms appear.

c. Condition of the jawbone and temporomandibular joint

The Need for and Principles of X-ray Imaging for Precise Oral Diagnosis at a Magok-dong Dental Clinic image 5

In addition, it helps evaluate the density and height of the bone surrounding the teeth.

This is an important basis for judging the stability of natural teeth

and for establishing treatment plans such as extraction or implant procedures.

Furthermore,

structural abnormalities of the temporomandibular joint,

early arthritis, and wear can also be diagnosed,

allowing for additional physical therapy or management measures

to be prepared.

What is the principle of X-ray imaging?

At the Magok-dong dental clinic,

I will explain its characteristics and how it works.

X-ray uses high-energy electromagnetic waves

to pass through various tissues of the human body.

Depending on the density of each tissue,

the degree to which the electromagnetic waves are attenuated differs,

and teeth and bones, which have high density,

absorb a large amount of radiation,

whereas soft tissues absorb relatively little.

Thanks to this property,

teeth and bones appear bright on images,

while cavities, inflammation, and areas affected by decay appear dark.

Based on the amount of radiation

that reaches the film or digital sensor,

the bright and dark areas of the imaging region

are clearly contrasted to create an image,

and through this,

specialists can analyze the density of each tissue

and any structural abnormalities.

How is it reflected in diagnosis?

At the Magok-dong dental clinic and all oral medical institutions,

treatment plans based on X-rays

can be established as follows.

✔ Preventive measures

By continuously monitoring tartar below the gums and changes in bone,

preventive measures are implemented before problems worsen.

✔ Decision on additional treatment

By comprehensively evaluating the condition of prosthetics and the overall condition inside the mouth,

additional care such as prosthetic replacement or implant procedures

is decided when necessary.

✔ Confirmation of treatment history

Past treatment records can also be understood by sight,

but for structures that cover the entire tooth, such as crowns,

it may be necessary to confirm whether there are internal abnormalities.

Today, I explained the need for X-ray imaging during oral examinations

and its theoretical basis.

I hope this was helpful to those who needed medical information related to this topic.

This was Director Yeo Sang-ho of a Magok-dong dental clinic.

Thank you for reading this long post.

The Need for and Principles of X-ray Imaging for Precise Oral Diagnosis at a Magok-dong Dental Clinic image 6