What is a crestal sinus lift, and how does it work?
A crestal sinus lift (also called a transalveolar or osteotome sinus lift) is a way of adding a little bone height in the upper back jaw so that a dental implant can be placed. The maxillary sinus, an air space above the upper molars and premolars, sometimes sits very close to the jaw ridge after teeth have been lost. If the bone below the sinus is too thin to hold an implant, the surgeon works through the implant site itself: a small hole is prepared in the ridge (the crest), the thin bony floor of the sinus is gently tapped upwards with instruments called osteotomes, and the lining of the sinus (the Schneiderian membrane) is lifted a few millimetres with it. Bone graft material is usually packed into the space, and the implant is placed at the same time or after healing. Dental clinics in Turkey perform it routinely. The broader topic is covered in our page on sinus lifting.
This guide explains how the technique works, how much bone it needs, how it compares with the lateral window approach, what it costs compared with the UK, US and Germany, and what to expect afterwards. It sits within our dental treatments in Turkey.
Crestal sinus lift or lateral window lift: which one do I need?
The main difference is the amount of bone you already have. The crestal approach is less invasive but can lift the sinus floor only by a small amount, usually about three to four millimetres. The lateral window approach opens the cheek-side wall of the sinus and can create much more height.
| Technique | Best suited to | Typical limits |
|---|---|---|
| Crestal (osteotome) lift | About 5 to 8 mm of bone remaining; one or two implants; a flat sinus floor | Limited gain of a few millimetres; harder to see and manage the membrane |
| Lateral window lift | Less than about 4 to 5 mm of bone; large gain needed; several implants | More swelling; longer healing, often a separate stage |
| Short or tilted implants | Moderate bone loss where a lift is declined | Not possible in every case; plan depends on bone quality |
Your surgeon decides on a 3D scan (CBCT) rather than a rule of thumb, because the sinus floor shape and any septa (bony walls) affect the choice.
Does a crestal sinus lift work, and what does the evidence say?
Systematic reviews of sinus augmentation, including those by Cochrane, report that implants placed after a sinus lift have high survival rates, and that the crestal approach achieves similar implant survival to the lateral approach when the case is chosen well, meaning there is enough starting bone. The evidence is less clear on which graft material is best; bone from the patient, donor bone, animal-derived and synthetic materials all work, and some studies even report bone forming without any graft in selected cases. What is not well supported is using the crestal method in sites with very little bone, where the risk of a perforated membrane or an unstable implant increases. A trustworthy clinic will say so and suggest the lateral route.
How is a crestal sinus lift done, step by step?
- Assessment and CBCT scan to measure bone height, sinus shape and any infection or sinus disease.
- Local anaesthetic, sometimes with sedation for anxious patients.
- The gum is opened or a small punch is made over the implant site and a pilot hole is prepared short of the sinus floor.
- Osteotomes of increasing width are tapped gently, or a hydraulic or ultrasonic device is used, to fracture the sinus floor upwards with the membrane attached.
- Graft material is placed through the hole and the implant is inserted if there is enough stability.
- The gum is closed or covered, and you receive written aftercare.
A single site often takes 30 to 60 minutes. If you need a tooth removed first, as with a damaged molar, the surgeon may plan the extraction separately, similar to wisdom tooth removal in terms of healing.
Crestal sinus lift cost in Turkey compared with the UK, US and Germany
The figures below are approximate ranges for the lift only, per site, not including the implant, and are not hospital quotes. They change with the graft material, the use of a CBCT scan and whether the lift and implant are done in one visit.
| Country | Approximate cost range per site |
|---|---|
| Turkey | €250 – €900 |
| United Kingdom | €800 – €2,200 |
| United States | €1,500 – €4,500 |
| Germany | €700 – €2,000 |
What changes the price: how many sites are lifted, the type and amount of graft material, any membrane that is used, the scan and the anaesthesia. A fair quote itemises the lift, graft, implant, abutment and crown, and states whether the follow-up visit is included. See our guide to dental implants for how the implant itself is priced.
Who is a good candidate for a crestal sinus lift, and who is not?
You may be suited if you are missing one or two upper back teeth, have roughly five millimetres or more of bone below the sinus, a healthy sinus and good gum health, and want an implant. A crestal lift is often not advised if you have very thin bone, an active sinus infection, uncontrolled diabetes, a heavy smoking habit, a history of radiotherapy to the jaw or taking bisphosphonate medicines in some cases. Smoking affects healing and failure rates; stopping before surgery helps. Your dentist should record your medical history and review your scan before agreeing a plan.
Immediate implant or staged: how long does it take?
If the bone is stable enough, the implant goes in at the same visit, and the implant integrates with the bone over three to six months before the crown is fitted. If the bone is too thin to hold the implant firmly, the surgeon lifts the sinus first, waits about four to six months for the graft to turn into bone, and places the implant at a second visit. This staged plan affects your trip: a one-stage case may need two trips (one for placement and one for the crown), while a staged case may need three. Ask the clinic to set out the number of visits and days in writing, and consider whether the dental bone regeneration options might suit you.
What is recovery like, and what should I avoid?
Expect mild to moderate swelling, tenderness and a little bruising for a few days; some patients have a small amount of nasal bleeding. Most people return to work in one to three days. For about a week avoid blowing your nose, sneezing with a closed mouth, sucking through a straw, flying if the surgeon advises against it, and strenuous exercise. Take the prescribed antibiotics and painkillers, use any mouth rinse as directed and keep the area clean. Soft food is advised for several days.
What are the risks of a crestal sinus lift?
Common effects are swelling, bruising and a stuffy nose. The best-known complication is a perforation of the sinus membrane, which can occur during lifting; small perforations often heal on their own or are repaired with a collagen membrane, and larger ones may mean stopping the graft and trying again later. Other risks include infection, sinusitis, graft loss, an unstable implant, a sense of pressure and, rarely, benign positional vertigo from the tapping. Reviews published in dental journals and information from the NHS and the American Academy of Periodontology describe these issues. Ask what the clinic does if the membrane tears and whether the cost includes a revision.
How do I choose a clinic, and what are the red flags?
Choose a clinic where an oral surgeon, periodontist or implantologist plans the case on a CBCT scan, can show similar cases and states which technique they would use and why. Red flags include a quote without a scan, a crestal lift recommended for very thin bone, no aftercare plan, no named material for the graft and no information about warranty or revision. Read how our process works and use the free quote form to send your scan and receive a written plan and price.
Questions to ask the clinic before you travel
- How much bone height do I have, and is a crestal lift enough?
- Do you place the implant in the same visit or wait?
- Which graft material is used, and where does it come from?
- How many trips and days are needed, and what is included?
- What happens if the sinus membrane tears?
Hospitals with Dental Treatments in Turkey
Frequently asked questions
A crestal sinus lift is a minimally invasive way to raise the floor of the sinus a few millimetres through the implant socket, using osteotomes, so that an upper back tooth implant has enough bone to hold it.
Yes, when the case is chosen well. Reviews report high implant survival after sinus lifts, with the crestal method performing similarly to the lateral approach when there is enough starting bone, around five millimetres or more.
Approximate ranges are €250 to €900 per site in Turkey against about €800 to €2,200 in the UK, not including the implant. The price depends on graft material and whether the implant is placed at the same visit.
The area is numbed, so you feel pressure and tapping but not sharp pain. Afterwards you can expect mild to moderate soreness and swelling for a few days, usually controlled with simple painkillers.
Most people return to work after one to three days. Avoid nose blowing, straws and strenuous activity for about a week. The implant takes three to six months to join the bone before the crown.
Neither is better for everyone. Crestal lifts suit about five millimetres or more of remaining bone and a small gain; lateral lifts allow greater height when bone is very thin. A CBCT scan guides the choice.
A same-day lift and implant usually needs a few days for placement and review. If the implant is placed later or the crown is fitted months afterwards, expect a second and sometimes a third trip.
Risks include swelling, infection, sinusitis, a torn sinus membrane, graft loss and an unstable implant. Small membrane tears often heal or are repaired during surgery; larger ones may delay the procedure.
Many surgeons advise waiting several days, as pressure changes can stress the healing sinus, though short flights are often allowed once the surgeon has reviewed you. Follow the clinic's advice.
Often yes, a small amount of graft material is placed beneath the lifted membrane. Some selected cases heal without a graft, but the surgeon decides based on your scan and implant stability.