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What Is a Sinus Lift and Why Would I Need One?

Apr 01, 2026
What Is a Sinus Lift and Why Would I Need One?
If you’re considering dental implants but have heard you need a sinus lift first, you may be reconsidering. Don’t let the news stop you from getting the care you need. Here’s what you need to know to make the decision.

At St. Tammany Periodontics & Implants, we help patients in Covington and Slidell, Louisiana, understand every phase of dental implant treatment before moving forward. 

If a sinus lift has come up in your treatment plan, here’s a deeper look at what it involves and why it’s sometimes necessary.

What is a sinus lift?

A sinus lift — also called sinus augmentation — is a bone-building procedure in the upper back jaw. When upper molars or premolars are missing, the bone in that area can naturally shrink over time. At the same time, the sinus cavity above the teeth may expand downward.

The result is that you have less bone height available to support a dental implant.

A dental implant needs a stable, healthy foundation to integrate with your jaw. If there isn’t enough bone, it’s not wise to place an implant immediately. But we can prepare the space with a sinus lift, which gently raises your sinus membrane and places bone grafting material beneath it. 

The simple procedure creates the additional height needed for strong implant support.

Over the following months, your body integrates that grafting material with your natural bone. Once healing is complete, there’s typically enough structure to securely place an implant.

Why would I need one?

Not every implant patient needs a sinus lift. When we evaluate you at St. Tammany Periodontics & Implants, we use advanced imaging to measure bone height and assess sinus position before making any recommendations.

We may recommend a sinus lift for a few common reasons.

First, you may have experienced bone loss after a tooth removal. Bone naturally resorbs when it’s no longer stimulated by a tooth root. In the upper back jaw, that loss can happen more quickly than you might realize.

Second, your natural anatomy may simply leave you with limited bone height in that region. Some patients have sinuses that sit lower, even if they haven’t had significant bone loss.

Third, we may be planning implants in an area that requires long-term strength for chewing forces. Molars do a lot of heavy lifting. Ensuring adequate bone support helps protect your investment.

In short, the goal isn’t to add an extra step. The goal is to create the right foundation so your dental implant can function comfortably and reliably for years.

What happens during the procedure?

If we determine a sinus lift is appropriate, we walk you through the plan ahead of time and make sure you’re comfortable throughout the procedure.

We make a small opening in the gum tissue to access the bone. This creates a tiny window in your upper jaw so we can gently lift the sinus membrane upward. Finally, we place bone grafting material beneath it and close the area to allow healing.

Most patients have mild swelling and temporary discomfort afterward — similar to other periodontal procedures. We provide clear aftercare instructions and closely monitor healing.

Healing time varies, but it commonly takes several months for the new bone to mature before implant placement. In some cases, we can place implants at the same time, depending on the amount of existing bone.

A sinus lift protects the longevity of your dental implants. Skipping necessary bone support can compromise stability down the road. Taking the time to build the right foundation often makes all the difference.

If you’ve been told you may need a sinus lift, we’d be happy to walk you through your options. Call us at St. Tammany Periodontics & Implants in Covington or Slidell, Louisiana, today, or request an appointment online.