1,000+ Cases,
Leading Whitening Expertise
Safe and painless whitening,
delivered effectively.
10
Years+
Whitening Experience
1,000
Cases+
Treatment Cases
4.9
/ 5.0
Patient Satisfaction
Based on Google, Naver Maps
“
Are your teeth
Doing Okay?
Teeth yellow over time
due to the following habits
Coffee
Daily coffee consumption can yellow your teeth
Smoking
Nicotine and tar are major causes of discoloration
Wine
Tannins in red wine cause staining on teeth
VIDEO GUIDE
Everything About Whitening
Watch the Video
Video Coming Soon
PROFESSIONAL WHITENING
Professional Dental
Peroxide Whitening
Experience safe and effective whitening
with high-concentration medical agents.
Aladdin + W-Gel Professional System
Experience premium whitening with the
FDA-approved professional dental system.

W-Gel™ Multi-functional Whitening Gel
High-viscosity Syringe: Precise application and no-drip design.
10min x 3 Protocol: Scientifically designed application time.
Refreshing Orange Scent: Minimizes patient discomfort.

Aladdin® Tooth Bleaching System
Triple 5W LED: 3 high-power LEDs for fast results.
3-Step Intensity: Custom control for left/center/right areas.
Molar Focus Tech: Effectively improves dark shadows on molars.
Silent Cooling: Comfortable environment and longer LED life.
How it Works
High-concentration medical peroxide (15%) penetrates enamel to oxidize and break down staining molecules inside the dentin. This converts stains into colorless small molecules, naturally whitening the teeth.

Treatment Process
1
Gingival barrier application (protects gums)
2
High-concentration gel application
3
LED light activation (15-20 mins)
4
Repeat 2-3 times (completed same day)
5
Final fluoride treatment
ZERO Tooth Shaving
No damage to enamel
Immediate Effect
2-8 shades brighter post-op
Natural Shade
Tone-up of original tooth color
Why Professional Whitening?
Globally Recognized Safety
Whitening is recognized by dentists worldwide as the safest tooth treatment. Safety is proven through extensive research, and professional whitening monitored by dentists has almost no reported side effects.
Professional
Self-Whitening
15% Conc.
Medical Grade
1-4% Conc.
OTC Products
Single Visit
3-4 Shades Up
4+ Weeks
Slow & Minimal
Pre-Checkup
+ Fluoride Care
Self-Admin.
Gum Burn Risk
Systematic Side Effect Management
Pre-Checkup: Proceed safely after checking for cavities or gum disease.
Gum Protection: 100% prevention of burns with medical-grade barriers.
Post-op Care: Minimize sensitivity with fluoride and remineralization.
Specialist Monitoring: Real-time monitoring for safe results.
Extensive Clinical Experience
With over 1,000 cases, we possess know-how for various tooth conditions. We create custom plans considering stain depth, sensitivity, and existing prosthetics.
Frequently Asked Questions
PROFESSIONAL VS SELF
Differences Between
Self vs Professional Whitening
Professional whitening uses medical-grade
high-concentration peroxide.
Because it can damage gums, specialists
perform the procedure with full protection,
ensuring safety and immediate results.
Self-Whitening
Low-Conc. Agent
OTC products with limited effects
Slow Results
Takes weeks to months
Safety Risks
Potential gum damage if misused
Uneven Results
Inconsistent whitening across teeth
Professional Whitening
High-Conc. Agent
Powerful effects with medical peroxide
Immediate Effect
Clear change within 1-3 hours
Perfect Safety
Gum protection prevents damage
Even Results
Precise application by experts
COMPARISON
Which Treatment is
Right for Me?
Compare the two options below
Whitening Options
| Peroxide Whitening | Veneers | |
|---|---|---|
| Duration | 1-2 Hours (Same-day) | 2-3 Visits (1-2 Weeks) |
| Longevity | 1-2 Years (Varies) | 10-15 Years (Permanent) |
| Drilling | None (0mm) | Minimal (0.3mm) |
| Cost | 200-300k KRW (Full) | 500-800k KRW (Per tooth) |
| Ideal for | Natural Brightening | Perfect Transformation |
| Notes | Avoid stains for 24 hours | Avoid hard foods |
CASE STUDY
Excellence in Whitening
Actual Patient Cases
Proven results with over 1,000 cases

After

After

After
5 Yonsei-Trained Specialists
Yonsei Ona Dental
Expert Medical Team

Dr. Yuseong Kim
Chief DirectorCurrent) Yonsei University Clinical Professor
Board-Certified Prosthodontist (MOHW)
Board-Certified Integrated Dentistry Specialist (MOHW)
- Chief Director, Yonsei Ona Dental Hospital
- Yonsei University College of Dentistry Graduate
- Yonsei University Dental Hospital Clinical Practice
- Yonsei University Dental Hospital Intern
- Ajou University Dental Hospital Resident
- Master's Degree in Periodontal Implant Prosthodontics, Ajou University
- Certified Prosthodontist (Ministry of Health and Welfare)
- Taiwan Bio Tech Consulting Physician
- Implant Placement Patent No. 10-2537546
- Dental Stapler Patent Pending
- Advanced Cardiac Life Support (ACLS) Provider
- CPR Certification
- Korean Academy of Prosthodontics Digital Master Course
- UCLA Dental Hospital Externship
- TMJ Therapy Certification
- TMJ Disorder Training Completed
- TMJ Disorder Education & Research Association Member
- Korean Academy of Prosthodontics Member
- Korean Academy of Oral and Maxillofacial Implantology Member
- Korean Academy of Esthetic Dentistry Member
- Korean Academy of Conservative Dentistry Member
- Former) Vice Director, Boryeong Hana Plant
- Former) Vice Director, Ace Dental
- Former) Vice Director, Ansan Yonsei Dental

Dr. Jinhyung Kim
DirectorCurrent) Yonsei University Clinical Professor
Board-Certified Integrated Dentistry Specialist (MOHW)
- Director, Yonsei Ona Dental Hospital
- Yonsei University College of Dentistry Graduate
- Yonsei University Dental Hospital Clinical Practice
- Taiwan Bio Tech Consulting Physician
- Korean Public Health Dentists Association Representative
- TMJ Therapy Certification
- TMJ Disorder Training Completed
- TMJ Disorder Education & Research Association Member
- Korean Academy of Prosthodontics Member
- Korean Academy of Oral and Maxillofacial Implantology Member
- Korean Academy of Esthetic Dentistry Member
- Korean Academy of Conservative Dentistry Member
- U-Penn Endo Course Completed
- Osstem Master Course Completed
- Former) KDCA Oral Examiner
- Former) Dental Director, Dongbu Detention Center Medical Department
- Former) Vice Director, Smile365
- Former) Vice Director, Kim's Plant

Dr. Taewon Kim
DirectorBoard-Certified Integrated Dentistry Specialist (MOHW)
- Yonsei University College of Dentistry Graduate
- Yonsei University Dental Hospital Clinical Practice
- Cre'ad Endo Course Completed
- Osstem AIC Implant Course Completed
- TMJ Disorder Training Completed
- TMJ Disorder Education & Research Association Member
- Korean Academy of Integrated Dentistry Member
- Korean Academy of Esthetic Dentistry Member
- Former) Director, Su Dental Prosthodontics
- Former) Vice Director, Jungang Dental Clinic
- Former) Chief Director, Gwanggyo 365 Lium Dental Hospital

Dr. Taewook Kim
DentistMaster's Degree in Dentistry, Seoul National University
- Seoul National University Graduate School of Dentistry Graduate
- Seoul National University Dental Hospital Comprehensive Care Unit
- TMJ Therapy Certification
- National Health Insurance Corporation Certified Oral Examiner
- U-Penn Endodontics Course
- Osstem AIC Implant Master Course Completed
- Dentis CTS Implant Gold Course Completed
- ATC Esthetic Prosthetics Research Association Member
- American Heart Association BLS Provider
- Former) Vice Director, Seoul Kunst Dental Clinic

Dr. Seungmin Ryu
Orthodontics DirectorBoard-Certified Orthodontist (MOHW)
Yonsei University College of Dentistry (Graduated with Honors)
- Yonsei University Dental Hospital Intern / Orthodontics Resident
- Korean Association of Orthodontists Certified & Member
- Yonsei University Orthodontics Research Association Member
- Yonsei University Graduate School Combined Master's & PhD Program (Orthodontics)
- UCSF & UOP Orthodontics Exchange Program
- World Federation of Orthodontists (WFO) Fellowship
- American Association of Orthodontists (AAO) Member
- Invisalign Certification
- Korean Dental Association Award - Yonsei University
- KAO Residency Academic Conference Excellence Award
- Taiwan International Orthodontics Representative (Korea)
- TAO & APOS International Orthodontics Excellence Award
- Yonsei University Orthodontics Department Outstanding Resident Award
Consulting Physician

Dr. Youngjin Choi
Consulting PhysicianCurrent) Professor of Oral & Maxillofacial Surgery, Chung-Ang University Gwangmyeong Hospital
Current) Clinical Professor, Seoul Asan Medical Center
- Master's Degree in Dentistry, University of Ulsan
- Wonkwang University College of Dentistry Graduate
- Seoul National University Dental Hospital Intern
- Seoul Asan Medical Center Oral & Maxillofacial Surgery Resident
- Board-Certified Oral & Maxillofacial Surgeon (MOHW)
- Board-Certified Integrated Dentistry Specialist (MOHW)
- Korean Association of Maxillofacial Plastic & Reconstructive Surgery Certified
- Korean Association of Oral and Maxillofacial Surgeons Member
- Korean Society of Orthognathic Surgery Associate Member
- SCI Paper Co-First Author (J Craniomaxillofac Surgery)
- Former) Dental Director, Cheongyang Public Health Center
Why Yonsei Ona Dental
Is the Best Choice
University Hospital
Level Care
Two Yonsei University Clinical Professors
and top specialists provide collaborative care
with cutting-edge technology









Official Partner of
Major University Hospitals
Post-treatment follow-up care from university hospitals,
sharing clinical cases and close collaboration
Seoul National University Bundang Hospital

Yonsei Severance Hospital

Ajou University Hospital
Chung-Ang University Hospital

Dankook University Hospital
Active Academic Research
We collaborate with university professors, mentor residents,
and stay updated on the latest clinical data and research

Student Clinical Mentoring (Dr. Yuseong Kim)

Student Clinical Mentoring (Dr. Jinhyung Kim)

89th Korean Academy of Prosthodontics Conference Presentation
Extensive Clinical Experience
We continuously accumulate far more clinical experience than typical neighborhood dental clinics.
Latest Research Updates
We stay connected with university professors and mentor residents to keep up with the latest clinical data and research trends.
Implant Placement Patent Filed
We are dedicated to implant research.
Constantly striving for better treatments.

Dental Stapler Patent Pending

A Dentist's Guide to
Truly Safe Dental Treatment
Published for public oral health education
Spreading accurate dental knowledge
“We hope patients can receive treatment
with peace of mind, armed with proper knowledge
and free from fear of dental care”
- Dr. Yuseong Kim, Chief Director
365-Day Service
Evening Hours Available
Made possible by our large team and facility
Weekdays
Evening Hours
Weekends/Holidays
Regular Hours
Even during evenings and weekends,
our care is provided directly by
our Chief Directors themselves
Our Building

Yonsei Ona Dental Hospital
Sol Square Building, 2nd Floor

Sol Square Bldg. 2F, Guseong-dong, Giheung-gu, Yongin, Korea
5-min walk from Guseong Station Exit 2 (Suin-Bundang Line, GTX-A)
How to Find Us
Sol Square 2F, Guseong-dong, Giheung-gu, Yongin, Gyeonggi, Korea
Across from Daiso Yongin Guseong Store
From Guseong Station: Turn left → Pass Daiso → Turn right
From Emart Traders: Go straight 1km
From Suji IC: Exit towards Guseong → Go straight 1.5km
Convenient Parking Available
Sol Square Underground Parking (B1-B5)

※ Vehicle registration required at front desk
B2 and B4 have no elevator access. (B1, B3, B5 recommended)
Yonsei Ona Dental prioritizes your convenience.
From comfortable parking to pleasant treatment spaces,
we are building a patient-centered dental clinic.
Office Hours
Contact us using your preferred method
Learn About Various Treatments
Through Our Videos
Dental Stories from Yonsei Ona Dental's Chief Director

Featured on Medical Channel Biondwi
Health Program with Dr. Esther Yeo, Dr. Hong Hye-geol

Liberation from Dentures in Elderly
All-on-X Treatment
Yonsei Ona Dental Hospital - Dr. Yuseong Kim, Prosthodontist
Dr. Yuseong Kim, Chief Director
appeared as a full-arch implant specialist
to explain All-on-X treatment





