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Volume 28 , Issue 1
January/February 2008

Pages 9-17

Repair of Large Sinus Membrane Perforations Using Stabilized Collagen Barrier Membranes: Surgical Techniques with Histologic and Radiographic Evidence of Success

Tiziano Testori, MD, DDS/Stephen S. Wallace, DDS/Massimo Del Fabbro, BSc, PhD/Silvio Taschieri, MD, DDS/Paolo Trisi, DDS, PhD/Matteo Capelli, DDS/Roberto L. Weinstein, MD, DDS

PMID: 18351198
DOI: 10.11607/prd.00.0788

The most frequent intraoperative complication with sinus elevation is perforation of the schneiderian membrane. In most instances, the repair of this perforation is necessary to contain particulate grafting material and complete the procedure. New techniques are presented here for the management of large perforations of the schneiderian membrane. A bioabsorbable collagen membrane is stabilized outside the antrostomy and then folded inward to create either a new superior wall that can obliterate a large perforation or a “pouch” that can completely contain the particulate material. This can make it possible to complete a procedure that otherwise may have had to be aborted by preventing dispersion of the particulate graft within the sinus cavity. Clinical cases are shown, along with follow-up at 6 to 9 months, demonstrating histologic and/or radiographic evidence of success, continued sinus health, and superior vital bone formation. The authors have used this technique on 20 consecutive patients without experiencing any procedural failures. (Int J Periodontics Restorative Dent 2008;28:9–17.)

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