Dental & oral health

When You Need Both a Sinus Lift and a Graft

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An upper back tooth missing for years often leaves two separate problems behind, not one: the sinus above has dropped lower into the space, and the surrounding ridge of bone has narrowed. Fixing both before an implant can be placed usually means a sinus lift and a bone graft in the same visit, and the combined bill reflects two procedures, not a single add-on.

Last updated: July 2026

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Why These Two Procedures Often Travel Together

A sinus lift and a bone graft solve two different problems that tend to show up in the same mouth for the same reason. Losing an upper back molar or premolar and going years without replacing it lets two things happen at once: the maxillary sinus, which sits directly above the roots of the upper back teeth, gradually expands downward into the space the tooth root used to occupy, and the surrounding jawbone begins to resorb from lack of chewing pressure. A sinus lift (sinus augmentation) adds bone graft material beneath the sinus lining to rebuild the height an implant will eventually need, while a separate ridge or socket graft rebuilds width where the bone has narrowed — the same underlying purpose a graft serves whenever it needs to support a future implant 1. When both problems are present, which is common in the upper back jaw specifically, a dentist typically recommends doing both procedures in the same surgical visit rather than staging them separately, since the incision and healing time overlap substantially.

What Each Piece Adds to the Total

The combined bill is best understood as two line items rather than one bundled fee, even when both happen in a single visit. A sinus lift alone commonly runs $1,500 to $3,000 for the less invasive internal, or crestal, approach, or $2,000 to $4,000 for the more involved lateral window approach, which opens a small window in the side of the jawbone to lift the sinus membrane directly. A bone or ridge graft added at the same time typically adds $300 to $800 for a smaller graft, or up to $2,500 for a larger ridge augmentation, depending on how much width has been lost. Doing both together commonly totals $3,000 to $7,000, before the implant post, abutment, and crown — the three parts of the finished restoration 2 — that follow months later. Combining the two procedures in one visit usually costs less than scheduling them separately, since the office visit, anesthesia, and much of the recovery period are shared rather than duplicated.

ComponentTypical range
Sinus lift (crestal)$1,500-$3,000
Sinus lift (lateral window)$2,000-$4,000
Bone/ridge graft$300-$2,500
Combined visit$3,000-$7,000
Implant (post, abutment, crown), later$3,000-$6,000

Same Visit or Staged: What Decides It

Whether a dentist combines the sinus lift and bone graft into one appointment or spreads them across two depends mostly on how much bone is already there, not on convenience or cost alone. When enough native bone remains to stabilize a graft immediately, a surgeon can often place the graft material and, in some cases, the implant itself in the same visit. When very little bone height or width remains, a staged approach is usually safer: the graft goes in first, is given several months to mature and integrate with the existing bone, and only then does the implant go in as a separate, later procedure. Staging does not mean something went wrong — it usually means there was less bone to work with at the start, and rebuilding it properly takes the time it takes. A staged plan typically costs more in total than a combined visit, mainly because it requires an additional appointment and, sometimes, a second round of imaging to confirm the graft has matured enough to support an implant.

What Insurance and Medicaid Typically Cover

Dental insurance typically classifies a sinus lift and bone graft as major or prosthetic procedures, which usually carries a lower coinsurance percentage and, in many plans, a waiting period before any major work is covered at all 3. Some medical insurance plans will separately cover the sinus lift portion when it is billed as a sinus procedure rather than a dental one, though this varies by insurer and is worth confirming with both plans before treatment begins. Cost is consistently the top reason people delay dental care nationally, and roughly 27% of US adults lack dental insurance entirely — nearly three times the uninsured rate for medical care — which is part of why a combined sinus lift and graft, one of the more expensive procedures that can precede an implant, is so often paid for out of pocket 4. Medicaid programs, which nationally tend to treat implants and the procedures that support them as elective, rarely cover either the sinus lift or the graft when an implant is the end goal, though the same graft performed for an unrelated medical reason is sometimes billed and covered differently.

Bringing the Total Down

A dental discount or membership plan can reduce the fee at a participating office, and some oral surgery practices offer a modest discount for paying the sinus-lift-and-graft portion in full rather than financing it. Spacing the treatment plan out — doing the graft first, waiting for it to heal, and scheduling the implant separately — does not usually lower the total cost, but it does spread the expense across a longer period, which matters more to some patients than the total itself. Getting a second opinion is particularly useful here, since the amount of grafting recommended can vary between offices even when both are looking at the same scan, and a smaller, less invasive sinus lift approach is sometimes possible where a more conservative surgeon would otherwise recommend the larger lateral window procedure.

Common questions

Losing an upper back tooth for a long time tends to cause two separate changes at once: the sinus above the tooth's old root gradually drops lower, and the surrounding jawbone narrows from lack of chewing pressure. A sinus lift addresses the first problem by rebuilding height beneath the sinus; a bone graft addresses the second by rebuilding width. When both are present, a dentist typically treats them together.

Usually, yes. Combining a sinus lift and a bone graft into one surgical visit shares the cost of anesthesia, the office visit, and much of the recovery period, which commonly brings the combined total to $3,000 to $7,000 rather than paying for two separate visits. A staged approach, needed when very little bone remains, typically costs more in total.

Dental insurance usually classifies both as major surgical procedures, which often means a lower coinsurance percentage and a waiting period before coverage applies at all. Some medical insurance plans separately cover the sinus lift portion when billed as a sinus procedure rather than a dental one, though this varies by insurer and is worth confirming with both plans directly before scheduling treatment.

That depends on how much height is missing beneath the sinus, which only a scan can show accurately. A smaller height deficit is often manageable with the less invasive internal, or crestal, approach performed through the same site as the implant itself; a larger deficit usually requires the lateral window technique, which opens a small window in the side of the jawbone to lift the membrane directly.

Rarely, when the end goal is a dental implant. Medicaid programs nationally tend to classify implants, and the procedures that support them, as elective rather than medically necessary. The same bone graft material used here is sometimes covered under different billing when performed for an unrelated medical reason, such as reconstructing bone lost to advanced gum disease, rather than to prepare for an implant.

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Signs Something Needs Attention After Surgery

  • —Nasal bleeding, or a whistling sound through the nose, that continues for more than a day or two after a sinus lift
  • —Facial swelling that spreads toward the eye, along with fever or a foul taste at the graft site
  • —Graft material or granules that come out through the nose or the surgical site

Facial swelling that reaches the eye or under the jaw, trouble breathing or swallowing, or a high fever after sinus lift or graft surgery needs an emergency room rather than a wait for the next office appointment.

This article is educational and does not replace an evaluation, diagnosis, or treatment plan from a licensed dentist, periodontist, or oral surgeon.

References

  1. 1.American Association of Oral and Maxillofacial Surgeons (2024). Preserving Bone for Dental Implants and Oral Health. AAOMS (MyOMS). link ✓Supports that a bone graft (including one placed via a sinus lift) helps maintain or rebuild the height and width of bone needed to support a future implant.
  2. 2.American Association of Oral and Maxillofacial Surgeons (2024). Dental Implant Surgery. AAOMS (MyOMS). link ✓Supports that a dental implant restoration has three parts — the implant, an abutment, and a crown.
  3. 3.American Dental Association (2024). Types of Dental Plans. ADA MouthHealthy. link ✓Supports the definitions of PPO/DHMO plans, coinsurance, and waiting periods that shape how insurance treats major procedures like a sinus lift or bone graft.
  4. 4.CareQuest Institute for Oral Health (2022). Americans Are Not Getting the Dental Care They Need, According to a National CareQuest Institute Survey. CareQuest Institute for Oral Health. link ✓Supports that cost is a leading reason adults avoid dental care and that roughly 27% of US adults lack dental insurance.

4 sources, numbered by first appearance. General health information, not medical advice. AI-assisted editorial content — every citation independently verified. Editorial policy

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