What is Sinus Lifting ?

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There are certain conditions required for a successful completion of implant applications to replace teeth in the upper jaw. One of these conditions is that the bone structure starting from the end of the jaw must have sufficient volume and density. In cases where this hard tissue does not meet the necessary conditions, the dental implant operation cannot be started directly. A sinus lift, sometimes called a sinus augmentation, should be applied to achieve success in the process.

Sinus lifting, also known as sinus augmentation or sinus elevation, is a surgical procedure aimed at increasing the bone volume in the upper jaw to support dental implants. It involves lifting the sinus membrane and placing a bone graft in the space created between the membrane and the jawbone. The goal is to create the necessary bone density and volume to ensure the dental implant fully adheres. In some cases, this procedure is essential for the implant to be long-lasting and healthy. If you want to learn more information about implant types please read our types of dental implant content.

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The Anatomy of The Maxillary Sinus

The maxillary sinus is a hollow space located above the upper teeth and below the eye sockets. It is lined with a thin membrane and filled with air. The roots of the upper teeth can sometimes extend into the maxillary sinus, which may leave insufficient bone for implant placement.

Why perform sinus lifting:
Sinus lifting is typically done when there is not enough bone height in the upper jaw to support dental implants. This can happen for several reasons, including:

  • Tooth loss: When a tooth is lost, the bone that once supported it may shrink or resorb over time.
  • Gum disease: Periodontal disease can lead to bone loss, reducing the jawbone’s ability to support dental implants.
  • Trauma: Injuries to the jawbone can result in bone loss, leading to insufficient bone height for implant placement.
  • Genetics: Some individuals may naturally have thin or inadequate bone in the upper jaw

What Are Different Types Of Sinus Lifting?

Lateral Window Technique:
This method involves creating a small window on the side of the maxillary sinus. The sinus membrane is lifted, and a bone graft is placed in the space created.

Crestal Technique:
In this technique, a small hole is made in the jawbone near the implant site. A special tool is used to lift the sinus membrane, and the bone graft is placed in the area.

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What Are Advantages And Disadvantages Of Each Technique?

The lateral window technique allows for more bone graft material to be placed, resulting in better bone regeneration. However, it requires a larger incision and has a slightly higher risk of complications, such as sinusitis or membrane perforation.

The crestal technique is less invasive and has a lower risk of complications. However, it may not provide enough bone volume for some cases and may require multiple procedures to achieve the desired results.

Indications and Contraindications for Sinus Lifting

Sinus lifting is indicated for patients with insufficient bone height in the upper jaw to support dental implants. However, it is not recommended for patients who:

  • Have active sinus infections or chronic sinusitis
  • Have a history of radiation therapy in the head and neck area
  • Smoke or have uncontrolled diabetes or other chronic medical conditions that may affect bone healing

Preoperative Preparation And Evaluation

Before the procedure, a comprehensive dental and medical history will be taken, and a thorough dental examination, including X-rays and CT scans, will be performed. This will help determine the amount of bone available, the condition of the sinuses, and the type of bone graft material to be used.

Step by Step Procedure

Sinus lifting is a common procedure used to increase bone height in the upper jaw for successful dental implant placement. It helps ensure implants are securely anchored, improving both their longevity and stability.

  • Anesthesia: Local anesthesia or conscious sedation to numb the area.
  • Incision: A small cut is made in the gum to expose the jawbone.
  • Preparation of the Site: A hole is drilled, and the sinus membrane is gently lifted.
  • Placement of the Bone Graft: Bone graft material is placed in the space between the membrane and jawbone.
  • Closing the Incision: The incision is closed with sutures for healing.

Conclusion

Sinus lifting is a critical procedure for individuals with insufficient bone in the upper jaw who wish to undergo dental implant placement. By increasing the bone height and volume through either the lateral window or crestal technique, sinus lifting ensures that implants can securely anchor, offering long-term stability and functionality. While both techniques have their advantages and limitations, the procedure as a whole is invaluable in creating the necessary foundation for successful dental implants. Careful preoperative evaluation and post-operative care are essential to achieving optimal outcomes. If you want to start your full mouth treatment maybe you want to read your Full mouth Dental implant in Antalya content.