جراحة رفع الجيوب الأنفية

طب الأسنان يزرع placed in the upper back jaw present a unique anatomical challenge: limited bone height beneath the maxillary sinus. When bone volume is insufficient, attempting implant placement without preparation can risk implant failure or sinus complications. Sinus lift surgery exists to restore vertical bone height safely, making implant placement possible where it would otherwise be contraindicated.

In 2026, sinus lift procedures are predictable, well-documented, and tailored to individual anatomy. Understanding the difference between internal and external sinus lift techniques helps patients make informed decisions based on medical necessity—not fear or assumptions.

Why Sinus Lift Surgery Is Sometimes Required

After tooth loss in the upper posterior jaw, two biological processes occur simultaneously:

1. The jawbone resorbs due to lack of stimulation

2. The maxillary sinus gradually expands downward

This reduces available bone height for implant placement. When remaining bone is insufficient to secure an implant safely, sinus lift surgery becomes medically necessary.

What Is a Sinus Lift?

A sinus lift (sinus augmentation) is a surgical procedure that:

• Gently elevates the sinus membrane

• Creates space between the membrane and jawbone

• Places bone graft material to promote new bone growth

The objective is not to alter sinus function, but to restore structural support for dental implants.

Internal vs External Sinus Lift: The Core Difference

The distinction between internal and external sinus lift techniques lies in:

• How much bone height is available

• How the sinus membrane is accessed

• Whether implant placement occurs simultaneously

Both techniques are safe when applied correctly.

Internal Sinus Lift (Crestal Approach)

When Is an Internal Sinus Lift Used?

Internal sinus lift surgery is recommended when:

• Residual bone height is moderately reduced

• Typically 5–8 mm of bone is present

• Implant placement can occur at the same time

This approach is considered less invasive and is often performed during implant surgery.

How the Internal Technique Works

• The implant site is prepared through the existing bone

• Specialized instruments gently elevate the sinus membrane from below

• A small amount of bone graft material is inserted

• The زراعة الأسنان is placed immediately

This technique relies heavily on precision and tactile control.

Advantages of Internal Sinus Lift

• Minimally invasive

• Shorter healing time

• Reduced post-operative discomfort

• Single surgical appointment

Limitations of Internal Sinus Lift

• Limited vertical bone gain

• Not suitable for severe bone loss

• Requires adequate primary implant stability

When bone height is too low, this approach is unsafe.

External Sinus Lift (Lateral Window Approach)

When Is an External Sinus Lift Necessary?

External sinus lift surgery is indicated when:

• Bone height is severely reduced

• Typically less than 4–5 mm remains

• Greater vertical augmentation is required

This technique allows controlled access to the sinus cavity.

How the External Technique Works

• A small window is created in the lateral jawbone

• The sinus membrane is carefully elevated

• Bone graft material is placed in the created space

• Implants may be placed immediately or after healing

The decision to place implants simultaneously depends on stability and bone quality.

Advantages of External Sinus Lift

• Allows significant bone height restoration

• Suitable for advanced bone loss

• High long-term success rates

Considerations and Recovery

• Slightly longer healing period

• More surgical steps

• Requires experienced surgical planning

Despite being more invasive, the procedure remains highly predictable in expert hands.

Internal vs External Sinus Lift: Side-by-Side Comparison

Graft Materials Used in Sinus Lift Surgery

Both techniques may use:

• Autogenous bone

• Allograft (donor bone)

• Xenograft (animal-derived)

• Synthetic bone substitutes

Material selection depends on:

• Volume required

• Healing timeline

• Patient-specific factors

All materials used comply with international medical device regulations overseen by organizations such as the U.S. Food and Drug Administration.

Safety and Risk Management in 2026

Modern sinus lift surgery benefits from:

• CBCT-based 3D imaging

• Improved surgical instruments

• Refined membrane elevation techniques

The most common complication—sinus membrane perforation—is rare and manageable when detected early.

Importantly, sinus lift surgery does not affect breathing or sinus function عندما يتم إجراؤها بشكل صحيح.

Who Is a Good Candidate for Sinus Lift Surgery?

Sinus lift procedures are suitable for patients who:

• Have missing upper molars or premolars

• Exhibit vertical bone deficiency

• Are in good general health

• Follow post-operative care instructions

Smoking and untreated sinus conditions may require additional evaluation.

Sinus Lift Surgery and Dental Tourism

For international patients, advanced clinics plan sinus lift procedures carefully to:

• Coordinate with travel schedules

• Minimize the number of visits

• Ensure safe healing before return travel

Clear communication and staging are essential.

Final Medical Perspective: Technique Follows Anatomy

Sinus lift surgery is not a one-size-fits-all procedure.

In 2026, the choice between internal and external sinus lift techniques is guided by bone anatomy, implant goals, and biological safety, not preference or speed. When the correct approach is selected, sinus augmentation becomes a predictable step toward long-term implant success.

Get a Personalized Sinus Evaluation Before Implant Treatment

If you are considering dental implants in the upper jaw and have been told you may need a sinus lift, proper evaluation is essential.

• Fill out the consultation form on our website for a detailed implant and sinus assessment

• Or contact us directly via WhatsApp to share your scans and receive expert guidance

👉 Safe implants require adequate bone support.
Reach out today to determine which sinus lift technique is appropriate for your case and plan your treatment with confidence.