Crestal vs. Lateral Sinus Lift: What’s the Difference?

Why There Are Two Types of Sinus Lift Procedures

Not all sinus lifts are the same. The technique your oral surgeon chooses depends on how much bone height you have in the upper back jaw and how close the sinus cavity sits to the implant site. Both the crestal and lateral approaches are safe and effective — they’re simply designed for different levels of bone loss.

What Is a Crestal Sinus Lift?

A crestal sinus lift (also called an internal sinus lift) is a minimally invasive technique used when only a small amount of additional bone height is needed. The surgeon accesses the sinus through the same opening created for the dental implant. The sinus membrane is gently lifted, and bone graft material is placed beneath it. This approach is ideal when you have moderate bone height and need only a slight lift.

When a Crestal Lift Is Recommended

A crestal lift is typically used when you have at least 5–7 mm of existing bone. Because the procedure is less invasive, it often results in shorter healing times and may allow implant placement during the same appointment.

What Is a Lateral Sinus Lift?

A lateral sinus lift (also called a lateral window technique) is used when there is significant bone loss and more height is needed to support an implant. The surgeon creates a small window on the side of the upper jaw to access the sinus membrane directly. The membrane is lifted, and bone graft material is placed to rebuild the area.

When a Lateral Lift Is Recommended

A lateral lift is ideal when you have less than 5 mm of bone height, long‑term tooth loss, or a naturally large sinus cavity. This approach provides the most predictable results when major bone rebuilding is required.

Which Technique Is Right for You?

Your surgeon will determine the best approach based on your X‑rays or 3D scan. Both techniques are highly successful when performed by an experienced oral surgeon. The goal is always the same: create a strong, stable foundation for long‑lasting dental implants.

Related Articles

How Bone Loss in the Upper Jaw Happens (And When a Sinus Lift Helps) https://cherryorchardoralsurgery.com/how-bone-loss-in-the-upper-jaw-happens-and-when-a-sinus-lift-helps

Sinus Lift Recovery Timeline: What Healing Looks Like Week‑by‑Week https://cherryorchardoralsurgery.com/sinus-lift-recovery-timeline-what-healing-looks-like-week-by-week

Can Dental Implants Be Placed During a Sinus Lift? What to Expect https://cherryorchardoralsurgery.com/can-dental-implants-be-placed-during-a-sinus-lift-what-to-expect

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