What Is a Sinus Lift Procedure? Why Is It Done?

Dental implants are among the most reliable and long-lasting solutions for replacing missing teeth. However, not every patient is an immediate candidate for implant treatment. Particularly in the upper jaw, especially in the area of the molars and premolars, bone loss is a common issue over time. And without sufficient bone volume, placing an implant becomes nearly impossible. This is exactly where a sinus lift procedure—also known as sinus augmentation—comes into play.

So, what is a sinus lift exactly? Why is it necessary? Who needs it, and what are the risks? In this blog post, we’ll explore the procedure in detail so you can better understand what to expect.

What Are Sinuses, and Why Do They Matter in Dentistry?

Let’s begin with the basics. Sinuses are air-filled cavities located in our skull. The ones relevant to dental treatments are the maxillary sinuses, which sit just above the upper back teeth—behind the cheeks and on both sides of the nose.

When a tooth is lost, the surrounding bone begins to resorb or shrink over time. In the upper jaw, this bone loss often causes the sinus cavity to expand downward, reducing the amount of bone available for implant placement. If there isn't enough bone to anchor an implant, the implant may fail. That’s why sinus lift surgery becomes essential—it helps create a solid foundation.

What Is a Sinus Lift Procedure?

A sinus lift is a minor surgical procedure performed to increase the height of the bone in the upper jaw by lifting the sinus membrane and placing bone graft material in the created space. This additional bone volume provides the necessary support for successful implant placement.

In simpler terms, the sinus membrane is gently pushed upward, and bone graft is added underneath it. Over the following months, this material integrates with your natural bone, increasing its density and volume.

Types of Sinus Lift Techniques

Depending on the extent of bone loss and the specific needs of the patient, the procedure can be performed in two main ways:

1. Lateral Window Technique (Open Sinus Lift)

• Used when significant bone loss is present.

• A small window is opened on the side of the upper jaw to access the sinus membrane.

• The membrane is lifted, and bone graft material is packed underneath.

• Healing time is usually around 4–6 months before implant placement.

2. Crestal Approach (Closed Sinus Lift)

• Applied when bone loss is minimal.

• Performed through the same access point as the dental implant.

• Less invasive and usually allows for the implant to be placed in the same session.

• Healing is typically faster.

Why Is a Sinus Lift Done?

The main purpose of a sinus lift is to build up the bone in the upper jaw so that a dental implant can be securely placed. The following are common reasons for needing a sinus lift:

• Bone loss due to tooth extractions or aging

• Sinus cavity that is naturally large or low-hanging

• Periodontal disease causing deterioration of jawbone

• Trauma or injury to the upper jaw

• Prolonged toothlessness, which leads to bone resorption

In short, if there's not enough bone to support a dental implant in the back upper jaw, a sinus lift becomes necessary.

Who Is a Candidate for a Sinus Lift?

Not every patient will need this procedure, but it is commonly recommended in the following situations:

Suitable Candidates:

• Individuals missing one or more upper back teeth

• Patients with insufficient bone height in the upper jaw

• People in overall good health with no sinus infections

• Patients who want dental implants but lack the required bone structure

Who Should Avoid It?

• Those with chronic sinusitis or sinus membrane disorders

• Heavy smokers (as healing may be compromised)

• Patients with uncontrolled diabetes or bleeding disorders

• Individuals undergoing chemotherapy or radiation treatment

Your dentist or oral surgeon will conduct a thorough examination—often using panoramic X-rays or 3D scans—to determine if a sinus lift is right for you.

What to Expect After a Sinus Lift

Recovery from a sinus lift procedure is usually straightforward, though like all surgeries, it comes with a brief healing period. Patients may experience some swelling, slight bleeding, and minor discomfort. These symptoms typically subside within a few days.

Post-Op Care Tips:

• Avoid blowing your nose or sneezing forcefully (this could dislodge the graft)

• Do not smoke—this slows healing significantly

• Sleep with your head elevated for the first few nights

• Stick to soft foods and avoid chewing on the surgical side

• Take prescribed antibiotics or pain relievers as directed

• Attend all follow-up appointments for monitoring

Generally, the new bone takes about 4–6 months to integrate fully with your jawbone before implants can be placed.

Is a Sinus Lift Risky?

Like any surgical procedure, a sinus lift carries potential risks. However, in the hands of an experienced oral surgeon or periodontist, complications are rare.

Possible Risks Include:

• Sinus membrane perforation

• Infection at the graft site

• Excessive bleeding

• Failure of the bone graft to integrate

In most cases, any issues that arise can be managed effectively with timely professional intervention.

Sinus Lift at Videntis Dental Clinic – İzmir

At Videntis Dental Clinic in İzmir, sinus lift procedures are performed by highly skilled oral surgeons using state-of-the-art techniques. We use only biocompatible and CE-certified bone graft materials to ensure optimal outcomes. Prior to surgery, a comprehensive digital scan is taken to assess the patient’s bone structure and determine the most suitable approach.

Our personalized treatment planning ensures that every step—from diagnosis to recovery—is handled with the highest level of care, comfort, and precision.

Final Thoughts: Creating a Strong Foundation for Your Implant

Dental implants offer unmatched stability, functionality, and aesthetics. But like any structure, they require a strong foundation. If your bone volume is insufficient in the upper jaw, a sinus lift can be the key to achieving a successful and long-lasting implant.

At Videntis, we believe every smile is unique—just like every treatment plan. If you're missing teeth and have been told that you lack enough bone for implants, don't be discouraged. A sinus lift might be all you need to regain your smile and confidence.