Bone Graft for Dental Implants in Korea: Do You Really Need One?

If you were told you need a bone graft for dental implants, your first question is probably the cost. The second is harder to say out loud. Is this surgery truly necessary, or am I being upsold?
A phrase like “big graft” sounds alarming, especially when you are planning treatment abroad. You may also worry about extra pain, extra months, or extra flights.
This post explains why bone shrinks, what a 3D CT really shows, and what each procedure costs in Seoul.
A note from Dr. Kim
I know how unsettling it is to hear you need extra surgery and not know whether to trust it.
“Minimal intervention, maximum beauty.”
Why bone shrinks after a tooth is lost
A tooth root does more than hold the tooth. Every time you chew, it passes pressure into the jawbone, and that use helps the bone keep its shape.
Once the tooth is gone, that signal fades. Over time, the bone can shrink in height and width. It’s a bit like a muscle in a cast: when it isn’t used, it gets smaller.
How fast this happens differs from person to person. Gum disease, an old infection, or a difficult extraction can also leave less bone behind.
In the upper back jaw, the sinus sits just above the roots. When bone shrinks there, the floor under the sinus can become thin. That is where a sinus lift may come in.
How a 3D CT shows the real bone

A panoramic X-ray is a flat picture. It is useful for a first look, but it can’t show bone width.
A 3D CT shows bone height, width, and the sinus and nerves in three dimensions. With digital guided surgery, we then plan the implant’s exact position on that scan.
Our rule is simple: we don’t add a graft unless the CT shows it. Sometimes careful planning works with the bone you already have, as our post on avoiding bone grafting for dental implants explains.
When a bone graft for dental implants is needed, and when it isn’t
A graft is generally considered when the bone is too thin or too short to surround the implant fully. If the CT shows enough height and width, there is no reason to graft.
A simple graft generally means filling a small, thin area around the implant. It costs KRW 300,000. A complex graft generally means rebuilding a larger area of lost bone, and it costs KRW 500,000.
Sinus lift: crestal vs lateral, in plain words

A sinus lift gently raises the sinus floor to make room for bone beneath it. There are two main ways in.
In a crestal approach, we work through the same small opening where the implant goes. It is generally used when only a little extra height is needed. The fee is KRW 500,000 per tooth.
In a lateral approach, we open a small window on the side of the upper jaw. It is generally used when much more height is missing. The fee is KRW 2,000,000 per site.
| Procedure | When it’s considered | Fee |
|---|---|---|
| No graft | The 3D CT shows enough bone | No extra fee |
| Simple bone graft | A small, thin area around the implant | KRW 300,000 |
| Complex bone graft | A larger area of lost bone | KRW 500,000 |
| Sinus lift, crestal approach | Upper back tooth, a little height missing under the sinus | KRW 500,000 per tooth |
| Sinus lift, lateral approach | Upper back area, much more height missing | KRW 2,000,000 per site |
These fees are added to the implant fee, which already includes the abutment and a zirconia crown. Pricing is the same for Korean and international patients, and our Gangnam implant cost guide shows the full picture.
How a bone graft for dental implants affects your trips
We usually need four visits: surgery, stitches out a week later, a digital scan after 4–6 months of healing, and the crown a week after that. If you can stay about a week each time, that means two trips.
A graft can affect that healing window, because new bone also needs time. Healing time varies, so we confirm timing after your CT and surgery. See how many trips implants in Korea take.
Smoking, diabetes, and gum disease can also slow healing, so tell us early. We are a 30-second walk from Nonhyeon Station Exit 4, about an hour from Incheon Airport.
“Can you tell from my X-ray whether I really need a graft?”
Send us a recent X-ray if you have one, or just two photos: one of your face straight on, and one smiling. We’ll tell you whether a graft looks likely, unlikely, or uncertain until we see your 3D CT in Seoul.
Questions to ask before you agree to a big graft

- “Can you show me on my CT where the bone is missing?”
- “Is it a simple or complex graft, and is any sinus lift crestal or lateral?”
- “What happens if we don’t graft?”
At Blanche, we answer these on your own scan before any bone graft for dental implants is planned. You can decide later, at home.

An actual case treated at Blanche Dental Clinic. Results vary with each patient’s dental condition.
Frequently asked questions
How much does a bone graft for dental implants cost in Korea?
A simple bone graft is KRW 300,000 and a complex one is KRW 500,000. A crestal sinus lift is KRW 500,000 per tooth, and a lateral one is KRW 2,000,000 per site. We add these only if your 3D CT shows they are needed.
Will a bone graft change my trips to Korea?
It can affect how long the bone needs to heal between trips. Healing time varies, so we confirm timing after your CT and surgery.
Can I avoid a bone graft?
Sometimes, yes. If your 3D CT shows enough bone, we plan the implant without one.
Side effects and individual differences
Swelling, bruising, mild pain, or temporary numbness can occur after implant surgery, and healing time varies. Results and longevity depend on each person’s bone, gums, health, and habits.
When I teach other dentists, I remind them that every graft is real surgery, so it has to earn its place. I want your implant to work twenty years from now, with no more surgery than your bone truly needs. And whenever one of your own teeth can still be kept, we will tell you that first.
How your first consultation works
1. We listen to your concerns and what you want to be able to eat and smile with again.
2. Based on your 3D CT and exam, we explain every available option, including whether a bone graft is really needed.
3. We give itemized costs and a visit schedule. You are welcome to decide later, at home.
We repeat every explanation at least four times, and no decision depends on one person’s judgment alone.
Consultation — Message us on WhatsApp with a recent X-ray or two photos, or check our fee schedule. Same pricing for Korean and international patients.