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Conservative Maxillary Sinus Floor Elevation via a Crestal Approach Using Vertical Expander Screw Technique

Mahdi Kadkhodazadeh¹, Mehdi Ekhlasmand Kermani², Reza Amid¹

¹Dentofacial Deformities Research Center, Research Institute for Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Periodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Journal of Long-Term Effects of Medical Implants

|August 5, 2020

Summary

A new Vertical Expander Screw (VES) technique offers a minimally invasive approach for maxillary sinus floor elevation. This method achieved 100% implant survival and success rates in a two-year follow-up study.

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Area of Science:

Dental implantology
Oral surgery
Regenerative medicine

Background:

Contemporary implantology prioritizes minimally invasive procedures.
Maxillary sinus lift surgery is crucial for dental implant placement in the posterior maxilla.
Existing techniques like the osteotome method have limitations.

Purpose of the Study:

To introduce and evaluate a novel, less invasive technique for maxillary sinus floor elevation.
To compare the invasiveness of the new technique with the established osteotome technique.

Main Methods:

The Vertical Expander Screw (VES) technique involves creating a primary implant hole.
Bone expander screws are utilized for both lateral and vertical sinus membrane elevation.
The technique combines drilling with the use of specialized screws.

Main Results:

Bone formation was observed around the implant body within the sinus cavity after two years in all evaluated patients.
The Vertical Expander Screw (VES) technique demonstrated a 100% implant survival rate.
A 100% success rate was reported for implants placed using the VES technique.

Conclusions:

The Vertical Expander Screw (VES) technique effectively elevates the maxillary sinus floor with minimal invasiveness.
The VES technique presents a viable, less invasive alternative to the osteotome technique for sinus floor elevation.