Many patients arrive at the implant consultation expecting a single-stage treatment.
The CT scan often reveals a different story. Bone density beneath the gap has reduced over the years. The jaw can no longer hold an implant on its own. The fix is a bone graft first, the implant second.
This guide explains exactly when you need a bone graft for a tooth implant, and how dental implants and bone grafts go together. It covers the four graft types used in UK practice and what happens during the combined treatment. It also explains the maximum window between graft and implant placement, and what the full case actually costs.
What Are Dental Implants & Bone Grafts?
Dental implants and bone grafts are two procedures that work together when natural bone volume cannot hold a standalone implant. A dental implant is a titanium fixture placed into the jawbone to replace a missing tooth root, with a porcelain crown bonded on top once it has integrated. A bone graft adds new bone material to a deficient area, so there is enough volume to hold the implant.
Not every implant needs a graft. Patients with healthy bone density and recent tooth loss often go straight to placement, while those with long-standing tooth loss, advanced gum disease, or trauma history frequently need grafting first. The CT scan at the implant consultation reveals which path applies, measuring bone width and height in millimetres at each planned site.
Helpful Tip: Bring any dental records or recent X-rays from previous dentists to your implant consultation. They give context that speeds up the bone-density assessment.
When Do You Need a Bone Graft for Dental Implants?
A bone graft becomes necessary when the jawbone cannot hold the titanium fixture: the bone is too thin, too short, or too soft. Implants generally need at least 1.5 mm of bone on either side and around 8-10 mm of vertical height. Sites below those thresholds are usually grafted to build up the deficient area.
Three groups commonly need grafting. The first lost a tooth more than six to twelve months ago and never replaced it, so the surrounding bone volume has already reduced. The second has a history of advanced gum disease, which destroys bone through the periodontal process. The third has worn dentures for years: dentures press on the gum without transmitting chewing forces into the underlying bone, so loss speeds up.
Dental implants with bone loss are not a contraindication, but they do extend the timeline: the graft adds three to nine months, as the new bone must integrate before the implant can go in. For some smaller defects, graft and implant are placed in the same surgical visit when conditions allow, though this is the exception, not the standard pathway.
Types of Dental Bone Graft: Which Option Suits You?
A dental bone graft uses one of four main material types, each with different sources, costs, and clinical profiles. Your dentist will recommend the right material for your case. The choice depends on the size of the defect, your medical history, and how much new bone is needed.
Autograft (autogenous bone) uses the patient’s own bone, typically harvested from the chin, the back of the lower jaw, or the hip in larger cases. It is the gold standard because it contains the patient’s own living bone cells, which give the strongest integration result. The trade-off is a second surgical site for harvest and longer overall recovery.
Allograft uses donated human bone that has been processed, sterilised, and stored at a tissue bank. It avoids a second surgical site. But the bone is no longer living when placed, so it acts as a scaffold for the patient’s own bone to grow into.
Xenograft uses processed bone material from another species, most commonly bovine (cow). The mineral structure is similar to human bone and the material is well tolerated. Xenografts have over thirty years of documented clinical use in oral surgery. They are a common choice for sinus lifts and ridge preservation in UK practice.
Synthetic graft (alloplast) uses bioengineered materials such as calcium phosphate, hydroxyapatite, or bioactive glass. There is no donor source, so it is the lowest-risk option from an immunological standpoint. The material lacks osteoinductivity on its own, but modern synthetic grafts incorporate growth factors that improve bone formation. Synthetic grafts suit smaller defects, where simplicity outweighs the slightly slower integration speed.
What Happens During Bone Grafting & Implant Placement?
The combined treatment runs in two phases. Phase one places the bone graft material into the deficient area under local anaesthetic, in a single 60-90 minute appointment. A barrier membrane often supports the packed graft, keeping soft tissue out of the bone-forming space. The patient leaves the same day, usually with antibiotics and pain relief, and the new bone begins forming over the following weeks.
Phase two places the implant fixture once the graft has integrated, typically three to nine months later. The implant placement itself is a 30-60 minute single-tooth procedure, or a longer multi-implant case for full-arch restorations. Osseointegration of the implant takes a further three to six months, after which the porcelain crown is fitted.
For more on the implant pathway including bone graft and sinus lift options, see the implant service page. The clinical team handles bone graft cases via the implant dentist alongside the broader implant treatment plan.
Expert Tip: Ask whether the graft material is autograft, allograft, xenograft, or synthetic at consultation. Each has slightly different recovery profiles, and your dentist can explain why a particular material fits your case.
What’s the Maximum Time Between Bone Graft & Dental Implant?
The maximum time between bone graft and dental implant placement is usually six to nine months for a standard graft, depending on graft size, material, and patient healing. The window matters because bone needs time to mature before it can support an implant, but waiting too long risks losing some volume to natural remodelling.
For smaller grafts, including ridge preservation after extraction and minor sinus lifts, the implant can often go in at three to four months. Larger augmentations such as vertical builds or block grafts typically need six to nine months of healing. Going beyond the recommended window is rarely catastrophic, but longer delays raise the chance of volume loss, sometimes needing a second smaller graft first.
Helpful Tip: Schedule the implant placement at the same consultation as the graft if possible. Booking both phases in advance stops the pause between them dragging into a longer wait.
Cost of Dental Implants with Bone Grafting in the UK
The cost of dental implants with bone grafting in the UK varies by case complexity, graft size, and material type. As UK averages: a simple ridge preservation graft alongside an extraction adds £400-£800 to the implant fee; a standalone graft for an established defect typically runs £600-£1,500; and complex sinus lifts or block grafts can add £1,500-£3,000.
Locally in North London, the titanium implant + porcelain crown starts from £2,800 (£2,000 Straumann Roxolid + £800 metal-ceramic crown), with bone graft from £650, PRF graft from £750, sinus lift internal from £800, and sinus lift lateral window from £1,200. Combined cost for a single-tooth restoration with grafting typically lands £3,000-£6,500 in private UK practice. Finance options up to 12 months are available on treatments over £2,000. For a fuller breakdown of implant pricing, see the implant cost guide.
Implants & Bone Grafts in North London at Dental Artistry
Dental Artistry’s North London clinic offers titanium and Straumann Zirconia ceramic implants (from £2,300), plus the full bone graft pathway, including PRF, internal sinus lift, and lateral window sinus lift. The implant assessment includes CT scanning at consultation (CBCT one jaw £100; both jaws £200) and a written quote covering every case-specific add-on. In our experience, patients told elsewhere that implants are impossible often turn out to have treatable bone deficits once a CT scan maps the site properly.
Note: Dental implants and bone grafts are private treatments, generally not available on the NHS. Exceptions are specific clinical-need cases, such as restoration after trauma or congenital tooth absence.
Frequently Asked Questions – Dental Implants & Bone Grafts
Patients researching dental implants and bone grafts in the UK ask these questions repeatedly during early decision-making. Direct answers to the most common ones below.
Do all dental implants need a bone graft?
No. Most patients with healthy bone density and recent tooth loss go straight to implant placement without grafting. Bone grafting becomes necessary when the CT scan shows insufficient bone volume to support the titanium fixture. That is most common after long-term tooth loss, advanced gum disease, or denture-driven bone loss.
How long does dental bone graft healing take before implants can go in?
Three to nine months is typical, depending on graft size and material. Small ridge preservation grafts often heal in three to four months. Larger augmentations and block grafts usually need six to nine months before the implant can be placed reliably.
Is a dental bone graft painful?
The procedure is carried out under local anaesthetic and is not painful during surgery. Some swelling and tenderness for several days afterwards is normal. Most patients manage discomfort with standard over-the-counter pain relief and report the experience as more manageable than expected.
What is the success rate of dental implants with bone grafting?
Long-term clinical data shows implants placed in augmented bone achieve high survival rates over multi-year follow-up. Outcomes are broadly comparable to implants placed in natural bone. That tells us grafting does not compromise long-term implant performance when done properly.
Can I have dental implants if I have bone loss?
Yes, in most cases. Dental implants with bone loss require a graft first. But the underlying treatment plan still leads to a fixed implant restoration. The CT scan and periodontal assessment determine whether the bone loss is treatable with a graft. If not, a different restoration may be more appropriate.
How much do dental implants and bone grafts cost in the UK?
A combined dental implant and bone graft typically runs £3,000-£6,500 per tooth in private UK practice. The figure depends on graft size and material. Full-arch cases with multiple grafts run higher. Finance options are widely available to spread the cost across monthly payments.
Can I have an implant placed the same day my tooth is extracted?
Often yes. When the surrounding bone is intact and there is no acute infection, the implant can be placed into the fresh socket. That happens in the same appointment as the extraction. This is called immediate placement, and it preserves bone, shortens treatment, and avoids a second surgery. Cases with acute infection, severe bone loss, or compromised healing are usually staged.
Will my body reject the bone graft material?
Rejection in the immunological sense is rare across all four graft types. Allografts and xenografts are processed to remove the cells that would trigger an immune response. Only the mineral scaffold remains. Autografts use the patient’s own bone, so rejection is not a factor. Synthetics are biocompatible and not recognised as foreign by the immune system.
Dental Implants & Bone Grafts: What to Remember
Dental implants and bone grafts are paired when natural bone cannot support an implant alone: the graft rebuilds the foundation, and the implant goes in once the new bone has integrated. Whether you need one comes down to the CT scan, not guesswork. Most patients with insufficient bone can still receive a fixed implant restoration; the main difference is time, as the plan stretches over several months. None of that changes the result, a fixed tooth that looks and works like the original.
The key things to remember about dental implants and bone grafts:
- Not every implant needs a graft. Bone density on the CT scan determines need
- Four graft types are used in UK practice: autograft, allograft, xenograft, and synthetic
- The combined timeline is three to nine months for graft integration plus three to six months for implant osseointegration
- The maximum time between graft and implant is typically six to nine months before second grafting risks emerge
- Combined cost ranges £3,000-£6,500 for a single-tooth UK restoration with grafting
For patients told implants are not possible elsewhere, a thorough consultation often reveals a viable path: a CT scan maps how much bone is missing and where, turning a vague no into a plannable case. The full process is longer than a straightforward implant, but the long-term outcome is comparable in success and survival to an implant in natural bone. If bone loss has held you back, it is worth a proper assessment before assuming the door is closed.
Book Your Implant Consultation at Dental Artistry
Speak with our team at Dental Artistry in North London to plan your case. The implant assessment consultation will include CT scanning, periodontal assessment, and a written quote covering implants and any grafting needed. Book a consultation to start.
Information Sources
Bone Grafts in Dental Medicine: An Overview of Autografts, Allografts and Synthetic Materials (PubMed Central)
Comparative efficacy of immediate implant placement and alveolar ridge preservation after tooth extraction (PubMed Central)
Implants in augmented bone, 6-year analysis (PMC)
