Best Dental Clinic in Seoul? How to Choose, With a Checklist
There is no single best dental clinic for everyone. Use these objective criteria to compare clinics in Seoul on specialists, diagnostics, lab, communication and how many visits treatment will take.
- Since 2002
- 13 dentists
- In-house lab
- EN · 中文 · 日本語
How do I choose a good dental clinic in Seoul?
Compare clinics on verifiable criteria rather than slogans: specialist departments for your treatment, 3D CT and digital scanning, an in-house or nearby lab, named implant systems, a written plan and cost before treatment, and communication in your language. Gangnam One Day Dental Clinic publishes these details, so you can check them against any other clinic you consider.
Reviewed by Dr. Kim Jin-hwan , Chief Director · Updated October 5, 2026
Why "best" depends on your treatment
Rankings and award badges rarely tell you whether a clinic is right for your specific problem. A clinic that suits a simple cleaning may not be set up for full-mouth implants, and an orthodontic specialist may not handle complex surgery. Start from what you need, then check whether the clinic has the people, equipment and process for it.
If you are travelling from abroad or live elsewhere in Korea, also check how the clinic handles planning before you arrive. Our guide for international patients explains what to expect.
The 8-point checklist
Ask every clinic the same questions and compare the answers in writing. A clinic that answers clearly, with names, systems and numbers, is easier to trust than one that answers with adjectives.
- Specialists: is there a dedicated department (surgery, periodontics, prosthodontics, orthodontics) for your treatment?
- Named dentists: can you see who will treat you and what they focus on?
- Diagnostics: is a 3D CT and digital scan used before planning implants or major work?
- Lab: is there an in-house lab, and how does it affect the number of visits?
- Materials: which implant systems and crown materials are used, by brand name?
- Bite: is occlusion checked, for example with digital bite analysis?
- Written plan: do you receive the plan and cost before treatment starts?
- Communication: can you ask questions in your language, in writing?
Not sure if this is right for you? Send a photo or X-ray — a dentist replies on WhatsApp in English, Chinese or Japanese.
Get a free opinionHow Gangnam One Day Dental Clinic answers the checklist
We publish our answers so you can compare them. The clinic has 13 dentists in five departments, uses 3D CT, intraoral scanning and T-Scan Novus digital occlusion analysis, places OSSTEM and MegaGen implants, and runs its own lab, Oneday Lab, which can take restorations from temporary to final in one day in suitable cases.
Read more about the clinic, or if English matters most to you, see English-speaking dentist in Seoul. Treat this as one data point: a second opinion from another clinic is always reasonable for major treatment.
| Criterion | What to ask | Gangnam One Day Dental Clinic |
|---|---|---|
| Specialist departments | Which department handles my treatment? | 5: oral & maxillofacial surgery, periodontics, prosthodontics, orthodontics, integrated dentistry |
| Team size | How many dentists, and who treats me? | 13 named dentists |
| 3D diagnostics | Do you take a 3D CT before implants? | 3D CT and intraoral scanning |
| Bite analysis | How do you check my bite? | T-Scan Novus digital occlusion analysis |
| Lab | Is the lab in-house? | Oneday Lab, in-house since 2022, CAD/CAM milling |
| Implant systems | Which brands do you use? | OSSTEM, MegaGen |
| Sedation | Is sedation available for surgery? | IV sleep sedation for implant surgery |
| Communication | How do I ask questions and get the plan? | WhatsApp in English, Chinese, Japanese, Korean |
| Track record | How long has the clinic operated? | Since May 2002 in Gangnam |
How it works at Oneday Dental
- Step 1
Define your treatment
Write down your main problem and goal: replacing a tooth, straightening teeth, fixing gums or improving appearance.
- Step 2
Shortlist 2-3 clinics
Pick clinics that have a department for that treatment and publish their dentists, equipment and materials.
- Step 3
Send the same records to each
Share the same X-ray and photos so their plans and estimates can be compared fairly.
- Step 4
Compare written plans
Look at number of visits, materials, implant brand, healing time and total cost, not only price.
- Step 5
Confirm in person
Choose the clinic whose exam and explanation match the written plan, and ask questions before you approve.
Things to know before you decide
- Online rankings, "No.1" badges and paid listings are not reliable indicators of clinical quality.
- The lowest estimate may exclude bone grafting, temporary teeth or the final crown; compare like with like.
- Plans based on photos alone are provisional at every clinic; the in-person exam can change them.
- Very fast treatment is not suitable for every mouth; a good clinic tells you when a slower approach is safer.
Experience you can check
- 2002Founded in Gangnam — 24 years
- 13Dentists in 5 departments
- 3Clinic buildings, 1,570 m²
- 0.01 mmT-Scan bite-force detail
Vice President, Korean Academy of Stomatognathic Function & Occlusion · author on T-Scan implant occlusion (IGI Global)
Choosing a Clinic: common questions
Which is the best dental clinic in Seoul?
Should I choose a clinic in Gangnam?
Is it reasonable to ask for a second opinion?
How do I compare prices fairly?
Why does an in-house lab matter?
What red flags should I watch for?
You may also want to read
International Patients
Dentist for international patients in Seoul: send your X-ray on WhatsApp, get a plan before you fly, and finish…
Learn more →About Us
About Gangnam One Day Dental Clinic: founded in Gangnam in May 2002, 13 dentists, 3 buildings and an in-house lab.
Learn more →English-Speaking Dentist
English-speaking dentist in Seoul for expats living in Korea: clear diagnosis, written plans and fewer visits.
Learn more →Implant Cost
Dental implant cost in Korea: 2026 guide prices from ₩1,000,000 per tooth, what is included and what changes it.
Learn more →Contact Us
Contact Gangnam One Day Dental Clinic on WhatsApp +82-10-5298-2875.
Learn more →Browse: Dental Implants · Cosmetic Dentistry · Orthodontics · Gum Care · General Dentistry · International Patients · Home
Get a dentist's opinion on WhatsApp
Send your question, photos or X-ray. We reply with a plan, timeline and estimate in English, Chinese, Japanese or Korean.
