MegaGen implants · Gangnam, Seoul

MegaGen Dental Implants in Seoul

A Korean implant system used for single teeth through full-mouth cases. Planned on 3D CT, placed by our surgical team and restored with crowns from our own lab.

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  • Since 2002
  • 13 dentists
  • In-house lab
  • EN · 中文 · 日本語
Dr. Kim Jin-hwan, Chief Director, with his appointment as Vice President of the Korean Academy of Stomatognathic Function and Occlusion
Dr. Kim Jin-hwan — Chief Director Vice President, Korean Academy of Stomatognathic Function & Occlusion

What are MegaGen dental implants?

MegaGen implants are titanium tooth-root replacements made by the Korean company MegaGen. They are placed in the jawbone and restored with an abutment and crown. Gangnam One Day Dental Clinic places MegaGen implants for single, multiple and full-mouth cases, choosing the fixture design after a 3D CT scan of your bone.

Reviewed by Dr. Kim Jin-hwan , Chief Director · Updated October 5, 2026

When your surgeon may choose MegaGen

We place two Korean implant systems: MegaGen and OSSTEM. Both are reliable titanium systems. The choice depends on your bone density, the space available and the restoration planned, and is made after your 3D CT scan.

MegaGen offers fixture designs intended to achieve firm initial stability in different bone types. Initial stability is what makes immediate (same-day) loading possible, so it matters for patients hoping to leave with a temporary tooth.

  • Single missing tooth replacement
  • Several missing teeth supporting a bridge
  • Full-arch and full-mouth reconstruction
  • Sites with softer or limited bone, often combined with grafting

Full-mouth cases and surgery time

For patients missing many teeth, multiple implants can be placed in one session under IV sleep sedation. Our published cases include 3 implants in 20 minutes, 8 implants in 35–40 minutes and 15 implants in about 1 hour. Difficulty varies, so your own surgery time is estimated after the CT review.

About 60% of our implant patients travel from outside Seoul, so we plan surgery and lab work to reduce the number of trips. For fixed full-arch options see full-mouth reconstruction; if bone is thin, see bone grafting.

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Bite control after the crown

An implant has no natural shock absorber, so an uneven bite can overload it. Chief Director Dr. Kim Jin-hwan wrote the chapter "Controlling the Occlusion of Implant-Supported Restorations" in the Handbook of Research on T-Scan Technology Applications in Dental Medicine. We check every implant crown with T-Scan Novus digital occlusion analysis.

Crowns are designed and milled in our in-house Oneday Lab.

Single implant vs full-mouth MegaGen treatment
Single implant Full-mouth implants
Surgery time Usually 20–60 min Usually 1–3 hours
Sedation Local, IV optional IV sleep sedation common
Temporary teeth Same day if stable Fixed temporary arch if stable
Trips to Seoul Usually 2 Usually 2–3
Final teeth Zirconia or ceramic crown Zirconia bridge or overdenture
Step by step

How it works at Oneday Dental

  1. Before travel

    WhatsApp review

    Send X-rays and photos. We reply in English, Chinese, Japanese or Korean with options and an estimate range.

  2. Day 1

    3D CT and plan

    CT, intraoral scan and examination. You receive the plan and confirmed costs.

  3. Day 1–2

    Implant placement

    MegaGen implants placed under local anaesthesia or IV sleep sedation, with grafting if needed.

  4. 2–4 months

    Healing

    The bone integrates with the implant. Temporary teeth are worn if planned.

  5. Final visit

    Final teeth

    Final crowns or bridge from Oneday Lab, with T-Scan bite adjustment.

Things to know before you decide

  • Smoking and uncontrolled diabetes increase the risk of implant failure.
  • Severe bone loss may need a graft or sinus lift and a longer healing period.
  • Clenching or grinding can overload implants; a night guard may be advised.
  • Implants need daily cleaning and regular check-ups to prevent peri-implantitis.
Why patients trust Oneday Dental

Experience you can check

  • 2002
    Founded in Gangnam — 24 years
  • 13
    Dentists in 5 departments
  • 3
    Clinic buildings, 1,570 m²
  • 0.01 mm
    T-Scan bite-force detail
Medically reviewed Dr. Kim Jin-hwan — Chief Director

Vice President, Korean Academy of Stomatognathic Function & Occlusion · author on T-Scan implant occlusion (IGI Global)

Meet the team
FAQ

MegaGen Implants: common questions

Is MegaGen better than OSSTEM?
Neither is universally better. Both are Korean titanium implant systems with long clinical use. The right choice depends on your bone, the site and the planned restoration. At Gangnam One Day Dental Clinic the surgeon selects the system after reviewing your 3D CT and explains why.
Can I have all my teeth replaced with MegaGen implants?
Yes, MegaGen implants can support full-arch bridges or implant overdentures. The number of implants per jaw depends on bone volume, typically 4–8. All-on-4 is one common approach. Your dentist confirms the design after the CT scan.
Will I have teeth while my implants heal?
In most cases, yes. If the implants are stable enough, a temporary tooth or arch can be fitted the same day. Otherwise, a removable temporary is used during healing. Our in-house lab makes temporaries quickly.
Do you offer sedation for multiple implants?
Yes. IV sleep sedation is available for implant surgery. You remain breathing on your own but relaxed and drowsy, and most patients remember little of the procedure. You need an adult to accompany you afterwards and should not drive that day.
How long do MegaGen implants last?
With good bone, a balanced bite and regular cleaning, implants commonly last 15 years or more and often much longer. Crowns may need replacing sooner due to wear. Smoking, gum disease and grinding are the main threats to long-term success.
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Medically reviewed by Dr. Kim Jin-hwan , Chief Director Last updated: This page is general information, not a diagnosis. Results vary; all dental procedures carry risks that your dentist explains before treatment.