Sinus Lifts

When it comes to restoring your smile with dental implants, the health and volume of your jawbone play a critical role in achieving long-lasting results. For patients who have experienced bone loss in the upper jaw, a sinus lift may be the essential first step toward a complete, confident smile.

At Gasper Periodontics & Implant Surgery in San Francisco, CA, Dr. Christina Gasper brings over 20 years of specialized expertise to every procedure, ensuring her patients receive the highest standard of care in a comfortable, patient-centered environment.

What Are Sinus Lifts?

A sinus lift, also known as maxillary sinus bone augmentation or a sinus augmentation procedure, is a specialized bone grafting surgery performed in the upper posterior (back) region of the jaw. The procedure involves gently lifting the sinus membrane upward to create space between the sinus floor and the upper jawbone. Bone grafting material is then placed into this newly created space, allowing new bone to develop and integrate over time.

The maxillary sinuses are air-filled cavities located just above the upper back teeth. When the upper molars or premolars are missing or removed, the sinus cavity can expand downward due to natural resorption, leaving insufficient bone height to support a dental implant. A sinus lift rebuilds this foundation so that implants can be placed securely and successfully.

This procedure is routinely performed by periodontists and oral surgeons with specialized training in bone grafting and implant surgery. Dr. Gasper completed her periodontics specialty training at the University of California, San Francisco (UCSF), where she developed advanced skills in bone augmentation techniques that she applies in her San Francisco practice today.

Why You May Need A Sinus Lift

Not every patient planning to receive dental implants in the upper jaw will require a sinus lift. However, there are several common reasons why this preparatory procedure becomes necessary:

• Bone Loss Due to Tooth Extraction: After a tooth is removed, the surrounding bone begins to resorb naturally. Over time, this can significantly reduce the amount of bone available for implant placement in the upper jaw.
• Sinus Expansion: Without the presence of tooth roots to stimulate and preserve bone, the maxillary sinus can gradually enlarge downward into the area where bone once existed.
• Periodontal Disease: Advanced gum disease can cause bone deterioration around the teeth and supporting structures. Patients who have experienced bone loss from periodontal disease may require sinus augmentation before proceeding with implants.
• Natural Anatomy: Some individuals are simply born with larger sinus cavities or naturally thinner alveolar bone in the upper posterior jaw, making a sinus lift necessary regardless of dental history.
• Long-Term Tooth Loss: Patients who have been missing upper back teeth for many years are particularly likely to have experienced significant bone volume reduction, requiring augmentation before implant surgery can proceed safely.

If you are considering dental implants in the upper posterior region and have been told you lack sufficient bone density or height, Dr. Gasper will evaluate your individual anatomy using advanced imaging and a comprehensive periodontal assessment to determine whether a sinus lift is the right course of action for you.

What To Expect During A Sinus Lift Procedure

Understanding what happens during a sinus lift can ease anxiety and help you feel fully prepared. At Gasper Periodontics & Implant Surgery, Dr. Gasper walks every patient through the process in detail before any treatment begins. Here is a general overview of what the procedure entails:

1. Pre-Procedure Planning

Prior to surgery, Dr. Gasper will take cone beam CT scans or detailed dental X-rays to assess the anatomy of your sinuses and measure the available bone. This imaging allows her to precisely plan the procedure and select the appropriate grafting material, which may be your own bone, donor bone, synthetic material, or a combination.

2. Anesthesia and Comfort

Local anesthesia is administered to thoroughly numb the treatment area before the procedure begins. Dr. Gasper has extensive training in sedation from her hospital-based general practice residency, and different sedation options may be available depending on your comfort needs and clinical situation. Your well-being throughout the procedure is a top priority.

3. Accessing the Sinus

There are two types of sinus elevation procedures – internal and external sinus elevation. For internal sinus elevation, the sinus is elevated gently through the osteotomy (which is the opening created to place the implant). For external sinus elevation, a small incision is made in the gum tissue at the back of the upper jaw to expose the underlying bone. A precisely shaped opening is then created in the bone to access the sinus cavity. The sinus membrane, a thin lining inside the cavity, is carefully and gently elevated away from the bone floor.

4. Bone Graft Placement

Once the sinus membrane has been safely lifted, bone grafting material is placed into the space created beneath it. The amount of graft material used depends on how much bone height is needed to support future implants. The small window in the bone is then covered, and the gum tissue is sutured closed.

The entire procedure is typically completed in one appointment. In some cases where adequate bone is present, the implant can be placed at the same time as the sinus lift. In some situations, however, a healing period is required to allow the new bone to develop and mature before implants are placed.

Recovery And Healing

Recovery from a sinus lift is manageable for most patients, though it does require some patience as the body works to integrate the new bone. Knowing what to expect can make the healing process much smoother.

Immediately After Surgery

Some swelling, minor bleeding, and discomfort in the treated area are normal in the first few days. Dr. Gasper will provide detailed post-operative instructions along with any prescribed medications to support healing and minimize discomfort. You will be advised to avoid blowing your nose and sneezing forcefully during the early healing phase to protect the sinus membrane while it heals.

The Bone Maturation Phase

Following a sinus lift, a healing period of approximately four to nine months is typically needed This timeline varies depending on the amount of bone grafted, the type of graft material used, and your individual healing capacity. Dr. Gasper will monitor your progress with follow-up appointments and imaging to confirm the bone has matured sufficiently.

Supporting Your Recovery

To promote optimal healing, patients are generally advised to:

• Avoid smoking and alcohol during the healing period
• Follow a soft food diet in the initial days following surgery
• Rinse gently with a prescribed antimicrobial mouthwash as directed
• Keep all scheduled follow-up appointments so Dr. Gasper can monitor your progress
• Contact the office promptly if you experience any unexpected symptoms, such as increased pain, swelling, or signs of infection.

Dr. Gasper is committed to clear and consistent communication with her patients throughout every phase of treatment. You will never feel uncertain about where you are in the process or what your next steps are. Her team is available to address questions or concerns throughout your entire recovery.

Schedule A Consultation

If you have been told you need a sinus lift, or if you are exploring dental implants and want to understand your options, we invite you to schedule a consultation with Dr. Christina Gasper at our San Francisco office. As a board-certified periodontist and Diplomate of the American Board of Periodontology, Dr. Gasper brings exceptional training, surgical skill, and a compassionate approach to every patient she sees.

During your consultation, Dr. Gasper will perform a thorough evaluation of your periodontal health, review your imaging, and discuss a personalized treatment plan tailored to your specific goals and anatomy. To get started, call our office or message us via our online contact form.