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Implant surgery · Mar Elias, Beirut

Bone grafting and sinus lift in Beirut — and when you don't need one.

What each kind of graft actually is, what the material is made of and why some patients need to know, how many months it adds — and the several honest routes to an implant that avoid grafting altogether.

Written by Dr. Fatima Nasser, Doctor of Dental Surgery (Saint Joseph University of Beirut). Last reviewed 18 October 2026.

Why the bone goes, and why that matters

Jaw bone exists to carry teeth. Take the tooth away and the body begins reclaiming bone it no longer has a use for — quickly in the first six to twelve months, then slowly and permanently for years afterwards. Width disappears before height, which is why a gap that looks fine from the front can turn out to be a knife edge on a scan.

That is the whole reason bone grafting exists in implant dentistry. An implant needs bone around it on every side, and when there is not enough, the options are to build some, to use the bone that is left more cleverly, or to choose a different treatment. All three are legitimate. Only one of them gets advertised.

The kinds of graft, in plain terms

ProcedureWhat it is, and when
Socket preservationGraft material placed into the socket at the moment a tooth is extracted, to slow the collapse that follows. The cheapest and easiest grafting there is, and it only works if done on the day — which is why we raise it before an extraction, not after
Guided bone regeneration (GBR)Graft material plus a membrane, used to rebuild width or a modest amount of height at a single site. The commonest graft in implant dentistry by a wide margin
Block graftA solid block of bone fixed in place with small screws, for larger defects. More surgery, longer healing, used when GBR cannot bridge the gap
Internal (crestal) sinus liftThe sinus floor raised a few millimetres through the implant site itself. Often done in the same visit as the implant and adds very little
External (lateral window) sinus liftThe sinus floor raised through a window in the side of the upper jaw, for larger height gains. A surgical procedure in its own right, with its own healing period

The sinus lift, explained properly

The maxillary sinuses are air spaces sitting directly above the roots of the upper back teeth. When those teeth are lost, two things happen at once: the ridge resorbs from below and the sinus floor drops from above. The bone between them can end up only two or three millimetres thick — nowhere near enough for an implant.

A sinus lift gently separates the thin membrane lining the sinus from the bone beneath it and places graft material into the space created. The membrane is not cut; it is lifted. New bone forms underneath it over several months, and the implant goes into that. The commonest complication is a small tear in the membrane during surgery, which is usually repaired on the spot and more often than not changes nothing about the outcome.

A small lift is routine and barely extends treatment. A large one is a real procedure and deserves a real conversation about whether a different plan would get you there without it.

What the graft is actually made of

Patients are rarely told this and usually want to know. Graft material is a scaffold: it holds the space while your own bone grows into and gradually replaces it.

  • Your own bone (autogenous). The gold standard, because it carries living cells. Collected from elsewhere in your mouth during the same surgery. Limited in quantity, and harvesting it means a second site.
  • Processed bovine bone mineral (xenograft). The most widely used and best-documented material. All organic content is removed; what remains is a mineral scaffold. It resorbs very slowly, which is an advantage where volume must be held.
  • Donor human bone (allograft). Processed and sterilised tissue-bank bone. Well documented, widely used internationally.
  • Synthetic (alloplast). Manufactured calcium-based materials. No biological origin at all, which matters to some patients a great deal.

Some patients have religious or personal objections to material of animal or human origin. That is a legitimate concern and an easy one to plan around — but only if it is raised before the surgery is planned. Tell us, and the plan is built accordingly. You should never learn what was put into your jaw afterwards.

When you can avoid a graft altogether

A graft you do not need is months of healing and a cost line you did not have to carry. Several honest routes avoid one:

  • Do not wait. An implant planned soon after the tooth is lost usually finds enough bone. Years of waiting is what creates the need.
  • Socket preservation at extraction. A small graft on the day often removes the need for a large one later.
  • Shorter or narrower implants. Modern implant design has reduced how much bone is actually required, and a shorter implant in real bone can beat a longer one in a graft.
  • Tilting, in full-arch cases. This is exactly what All-on-4 does — angling the back implants forward into denser bone, in front of the sinus. It avoids grafting for most full-arch patients.
  • A different treatment. Sometimes a bridge or a well-made denture is the right answer and a graft plus implant is simply an expensive way to arrive somewhere you did not need to go. We will say so.

The thing to be wary of is the opposite: being told you need grafting without being shown the scan that demonstrates it. Ask to see the slice. Bone is measurable, and anyone recommending a graft should be able to point at the millimetres.

What grafting adds to your timeline and your quote

Grafting does not usually change what is possible; it changes how long it takes and what it costs. Both belong in writing before you start.

StageWhat it adds
Socket preservationNo extra appointment — done during the extraction. Adds a modest line to the quote and often saves far more later
Graft placed before the implantThree to four months of healing before implant surgery can begin, and a separate surgical appointment
Graft placed with the implantNo extra months — the graft heals while the implant integrates. Only possible when enough bone exists to hold the implant steady from the start
Large sinus lift or block graftFour to six months before implant placement, and it is a procedure with its own quote line and its own recovery

We do not publish a single price for grafting, because the honest range is too wide for a number to mean anything. What we commit to is that it appears as its own itemised line on your written quote, priced after the 3D scan, before treatment begins — never discovered halfway through. That principle is the same one set out on the main implants page.

Recovery, and the things that genuinely matter

  • The first 48 hours. Swelling peaks around day two and then recedes. Cold compresses, prescribed painkillers, no rinsing on the first day.
  • After a sinus lift, do not blow your nose for two weeks, sneeze with your mouth open, and avoid flying, diving and heavy lifting. Pressure is the one thing that can disturb a healing sinus graft, and this instruction is not optional.
  • Eat soft, and on the other side. Nothing hard, nothing hot on the first day.
  • Do not smoke. If you take one thing from this page, take this one. Smoking restricts the blood supply the graft depends on, and it is the single largest controllable cause of graft failure.
  • Keep it clean without disturbing it. Brush the rest of the mouth normally, use the rinse you are given, and leave the site alone.
  • Call if swelling worsens after day three, if there is a bad taste, or if graft particles come away. All are manageable, and all are better managed early.

Who does the surgery

Dr. Nasser plans every case on the 3D scan and makes and fits every crown and bridge. Minor grafting at the time of an extraction is done here. Major bone grafting, a large sinus lift and full-arch surgery go beyond what a general practice should take on alone, so the surgical stage is carried out with a named oral surgeon or periodontist — and your written quote says who does what before you decide anything. You are never handed to someone you have not met.

We would rather tell you that than quietly do work that belongs with a specialist. It is the same standard applied across the practice, and it is set out in full on the page about how to judge any dental clinic, including this one.

Where we are in Beirut

The clinic is on Mar Elias Street, in the middle of Beirut — Hamra, Ras Beirut, Verdun, Mazraa, Tarik el Jdideh, Caracas, Sodeco, Badaro, Achrafieh and Gemmayze are all inside fifteen minutes outside of rush hour. Patients also travel to us from Saida, Tripoli, Nabatieh, Zahle, Jounieh and the Bekaa; grafting means a surgical visit, a review and then the implant stages, so say where you are coming from when you book and we will build the plan around the journeys. See how to find the clinic, or read what patients say first.

Common questions

How much does a bone graft cost in Beirut?

There is no single figure, which is why we do not publish one. A small socket preservation at the time of an extraction is a modest addition; a sinus lift is a separate surgical procedure; a large block graft is larger again. What we will commit to is that grafting appears as its own itemised line on your written quote, priced after the 3D scan and before anything begins — never discovered mid-treatment. The examination is $20, deducted from treatment if you go ahead.

Is a bone graft painful?

Less than most people expect, and in the same range as a difficult extraction. It is done under local anaesthetic, and the discomfort afterwards is swelling and soreness for a few days rather than sharp pain, managed with ordinary painkillers. A sinus lift adds a feeling of pressure and some patients get a little bleeding from the nose for a day or two, which is normal and not a complication.

How long does a bone graft take to heal before the implant?

Usually three to four months, sometimes six for a large graft or a major sinus lift. The graft is not simply filler — your own bone has to grow into and replace it, and that biology runs at its own speed. In some cases the implant can be placed at the same time as the graft, which saves months; the scan decides, not a preference.

Can I get an implant without a bone graft?

Often, yes. A gap treated soon after the tooth is lost usually has enough bone. Shorter or narrower implants avoid some grafts. In full-arch cases, tilting the implants — the All-on-4 approach — reaches denser bone and avoids grafting for most patients. What should worry you is not being offered a graft, but being told you need one without being shown the scan that proves it.

What material do you use for grafting?

Most often a processed bone mineral of bovine origin, which is the best-documented material and acts as a scaffold your own bone grows into. Your own bone, collected during the same surgery, is the gold standard where enough can be harvested. Synthetic and donor-derived materials are also used. There are religious and personal objections to some of these for some patients, and that is a legitimate conversation to have beforehand rather than afterwards — tell us and we will plan around it.

What is a sinus lift, exactly?

In the upper back jaw the sinus sits above the tooth roots, and once those teeth are lost the sinus floor drops into the space. A sinus lift gently raises that floor and places graft material underneath, creating height for an implant. A small lift is done through the implant site itself and adds little; a large one is done through a window in the side of the jaw and is a procedure in its own right. The scan tells us which before you decide.

Can a bone graft fail?

Yes, though it is uncommon. Infection, the graft becoming exposed through the gum, or simply not integrating are the usual reasons, and smoking raises the risk of all three substantially. A failed graft is redone rather than being the end of the road. The honest version is that grafting is predictable, not guaranteed, and nobody should tell you otherwise.

Why did my bone disappear in the first place?

Bone exists to carry a tooth. Remove the tooth and the body reclaims the bone it no longer needs — fastest in the first six to twelve months, then slowly and permanently. A long-worn denture accelerates it, because pressing on the gum is not the same as loading through a root. This is the real argument for not leaving a gap for years, and for socket preservation at the time of extraction.

Who performs the surgery?

Dr. Nasser plans every case on the 3D scan and makes and fits every crown and bridge. Minor grafting at the time of an extraction is done here. Major bone grafting, a large sinus lift and full-arch surgery go beyond what a general practice should take on alone, so the surgical stage is carried out with a named oral surgeon or periodontist, and the written quote says who does what before you decide. You are never handed to someone you have not met.

Will smoking stop me having a graft?

It will not stop us treating you, and we will not pretend the odds are the same. Smoking measurably raises the risk of graft failure, implant failure and wound breakdown, because it restricts the blood supply the graft depends on. Stopping even for the weeks around surgery and healing genuinely changes the outcome, and that is worth knowing before you spend the money rather than after.

Start with the 3D scan, and see the bone for yourself.

Whether you need a graft is measurable — and the answer comes with the millimetres that prove it.

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