Hello.
A brighter smile today and tomorrow!
We are Dia Dental Clinic, designing natural smiles in Magok-dong.
These days, as soon as you turn on online ads or your SNS feed,
phrases like “whiter in one day!”, “easy to do yourself!”,
and “dramatic results!” keep catching your eye, right?
You may have even added them to your cart more than once because they felt tempting.
But here’s the thing.
“The world of at-home whitening makes you wonder, ‘I worked so hard, so why is there no change?’”
Hidden behind that confusion are truths we didn’t know.

Maggok-dong Dental Clinic_At-home whitening
Why doesn’t at-home whitening work as expected?
At-home whitening products usually contain
an ingredient called “hydrogen peroxide” or “carbamide peroxide.”
This ingredient works by breaking down stains on the tooth surface,
but the problem is that it is difficult to apply the agent evenly,
and because there is no gum-protecting barrier, side effects such as irritation, sensitivity, and patchiness are common.
In particular, if you have cavities or sensitive gums,
improper at-home treatment can lead to even higher treatment costs.
Moreover, whitening agents only work on “natural teeth,”
so if you have restorations (crowns, veneers, etc.), the color may change unevenly.
So what is needed?!
That is exactly why you need the professional whitening at Magok-dong Dia Dental Clinic.
Reliable results, short treatment time, a safe method, and personalized planning
These four keywords are the core of Dia Dental Clinic’s professional whitening treatment.
Here’s how professional whitening treatment at Dia Dental Clinic is performed!

Maggok-dong Dental Clinic_Tooth shade measurement
- Tooth shade measurement & photography
We record the initial shade and compare the results before and after treatment.

Maggok-dong Dental Clinic_Scaling
- Scaling & oral examination
If there are cavities or gum disease, treatment comes first!
Whitening in a healthy state reduces irritation and improves results.

Maggok-dong Dental Clinic_Gum protective agent applied
- Apply a gum-protective agent
Before teeth whitening, a protective barrier is applied to the gums to help prevent side effects.

Maggok-dong Dental Clinic_Whitening agent applied
- Apply the whitening agent
It is applied evenly to create a brighter shade without worrying about patchiness.

Maggok-dong Dental Clinic_Special light exposure
- Special light exposure
This process maximizes the effect of the high-concentration whitening agent.

Maggok-dong Dental Clinic_Before and after teeth whitening
- Personalized care guidance
Even after the procedure, we provide careful advice on lifestyle and dietary habits so you can maintain bright teeth for a long time.
How effective is professional whitening treatment?

Maggok-dong Dental Clinic_Before and after professional whitening treatment
Most patients can experience noticeably brighter teeth after 1 to 3 visits.
On average, results may show teeth becoming about 6 to 8 shades brighter.
On top of that, the procedure time is short, irritation is minimized,
and because it is performed by a professional, it is much more efficient and safer.
Especially for those with a date-specific event such as an important occasion, an interview, or a wedding,
professional whitening is truly a time-saving choice!
You should not compare at-home whitening and professional whitening only by cost.
In fact, professional whitening has a higher unit price.
But if you consider the cost of treating side effects after at-home whitening, the expense of repeatedly buying products,
time wasted, and the risk of patchiness?
It is actually more reasonable to leave it to a professional.
Professional whitening treatment, summarized:
- At-home whitening: low concentration, risk of patchiness, minimal effect
- Professional whitening: high concentration + special light for faster improvement
- Personalized planning and safe whitening that considers your oral condition
- Brighter teeth completed in 1 to 3 visits!

Maggok-dong Dental Clinic_Professional whitening event
And right now?
We are holding a professional whitening event at Dia Dental Clinic in Magok-dong!
The professional whitening treatment cost, which many people have inquired about,
is currently offered under the event at 180,000 KRW for a total of 3 sessions (VAT excluded).
The number of sessions and intensity may be adjusted depending on your individual tooth condition,
and we will provide accurate guidance after a preliminary consultation.
Now is the best time to experience professional whitening without 부담.
The conclusion is simple.
Clear, safe, and beautiful!
Regain your own bright smile with Dia Dental Clinic’s professional whitening treatment.
Seoul Dia Dental Clinic will always be with you for a smile that shines brighter tomorrow than today.
[ This post was written in accordance with the Medical Service Act for the purpose of providing accurate information about dental surgery and procedures. Infection and side effects may occur after surgery, so you should decide on surgery (procedure) after consulting thoroughly with a skilled medical team. ]