Dental Publication / Article Details |
The Piezoelectric Bony Window Osteotomy and Sinus Membrane Elevation
Author(s):
Tomaso Vercellotti, MD, DDS;Myron Nevins, DDS;Sergio De Paoli, MD, DDS
Date Added:
3/20/2009
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Summary:
All of the surgical techniques to elevate the maxillary sinus present the possibility
of perforating the schneiderian membrane. This complication can occur during the
osteotomy, which is performed with burs, or during the elevation of the membrane
using manual elevators. The purpose of this article is to present a new surgical
technique that radically simplifies maxillary sinus surgery, thus avoiding perforating
the membrane. The piezoelectric bony window osteotomy easily cuts mineralized
tissue without damaging the soft tissue, and the piezoelectric sinus membrane
elevation separates the schneiderian membrane without causing perforations. The
elevation of the membrane from the sinus floor is performed using both piezoelectric
elevators and the force of a physiologic solution subjected to piezoelectric
cavitation. Twenty-one piezoelectric bony window osteotomy and piezoelectric
sinus membrane elevations were performed on 15 patients using the appropriate
surgical device (Mectron Piezosurgery System). Only one perforation occurred during
the osteotomy at the site of an underwood septa, resulting in a 95% success
rate. The average length of the window was 14 mm; its height was 6 mm, and its
thickness was 1.4 mm. The average time necessary for the piezoelectric bony window
osteotomy was approximately 3 minutes, while the piezoelectric sinus membrane
elevation required approximately 5 minutes. (Int J Periodontics Restorative
Dent 2001;21:561–567.)
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