Gum Graft vs Bone Graft: What Each One Fixes

The two procedures are often mentioned in the same breath, which is exactly why patients confuse them. A gum graft replaces gum. A bone graft replaces bone. They sit next to each other in the mouth, they are often done by the same specialist, and they can be performed in the same visit — but they solve different problems.

The one-sentence difference

• Gum graft: soft tissue over an exposed root, to cover it and thicken the gum.
• Bone graft: bone or bone substitute into a defect, to rebuild support for a tooth or an implant.

Side-by-side

When a gum graft is the answer

A gum graft is considered when the gum has receded and the root is exposed. Typical signs:

• Teeth look longer and the roots are visible.
• Cold sensitivity at the gum line.
• A notch or cavity at the root.
• A thin band of gum that is getting thinner.
• Gum recession that is progressing despite better brushing.

The procedure adds tissue over the root. It does not rebuild the bone underneath. If the tooth has also lost bone support, the gum graft addresses the soft tissue part only.

When a bone graft is the answer

A bone graft is considered when bone has been lost or is insufficient. Typical situations:

• A tooth is extracted and the ridge would collapse without preservation.
• Periodontal disease has destroyed bone around a tooth.
• An implant needs more bone width or height.
• A sinus lift is needed before an upper implant.
• A ridge augmentation is needed for a bridge or denture.

Cleveland Clinic describes dental bone grafting as adding material to areas of thinning bone, often before an implant. Mayo Clinic notes that a bone graft may be needed when the jaw is too thin or soft to support an implant.

Can you need both?

Yes. A common sequence is:

1. Periodontal disease causes both bone loss and gum recession around a tooth.
2. The periodontist treats the infection first.
3. A bone graft rebuilds the defect.
4. A soft tissue graft covers the root and thickens the gum.

At an implant site, the sequence can be: extraction and ridge preservation, implant placement (sometimes with a bone graft), then a soft tissue graft to improve the gum contour.

Doing both at once is possible when the site is stable and the patient can tolerate a longer appointment. It is not automatically better. The surgeon weighs infection risk, blood supply and healing capacity.

Cost comparison in practice

A single gum graft is usually $550–$1,600. A single bone graft is usually $650–$1,500. But the totals diverge when you add context:

• Gum graft plus sedation: $800–$2,000.
• Bone graft plus extraction: $900–$2,000.
• Bone graft plus implant: $2,000–$4,000.
• Bone graft plus sinus lift: $2,500–$5,000.

The bone graft cost guide has the detailed ranges. The gum graft cost hub covers the soft tissue side.

Healing comparison

A gum graft’s surface heals in one to two weeks, with the tissue maturing over two to three months. A bone graft’s gum incision heals in about a week, but the bone continues to consolidate for three to six months, sometimes longer. If an implant is placed, the timeline extends further.

The practical difference: after a gum graft, you judge the result by looking at the gum. After a bone graft, the result is partly hidden and assessed with imaging.

Questions to ask

1. What exactly is missing — gum, bone, or both?
2. Which procedure are you recommending first, and why?
3. Can they be combined safely in my case?
4. What is the total fee for each, including material?
5. How long will you wait before the next stage?
6. What happens if the graft fails?

The bottom line

A gum graft is soft tissue; a bone graft is structure. If a dentist says “you need a graft” without saying which tissue, ask. The answer changes the procedure, the fee and the recovery.