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International Journal of Periodontics & Restorative Dentistry



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Int J Periodontics Restorative Dent 36 (2016), No. 4     15. June 2016
Int J Periodontics Restorative Dent 36 (2016), No. 4  (15.06.2016)

Page 548-556, doi:10.11607/prd.2525, PubMed:27333013

Incidence of and Factors Associated with Sinus Membrane Perforation During Maxillary Sinus Augmentation Using the Reamer Drilling Approach: A Double-Center Case Series
Monje, Alberto / Monje-Gil, Florencio / Burgueño, Miguel / Gonzalez-Garcia, Raúl / Galindo-Moreno, Pablo / Wang, Hom-Lay
Maxillary sinus membrane perforation has been reported as the most common intraoperative complication during sinus augmentation, potentially leading to postoperative infection and consequent loss of graft or even implant failure. Numerous anatomical factors have been demonstrated to affect membrane tearing. However, careful use of proper instrumentation, such as a reamer, seems to play an important role in minimizing the incidence of these complications. Hence, the aim of the present study was to (1) investigate the reliability of reamer drilling for lateral window preparation; (2) examine the incidence of membrane perforation; and (3) study the factors that might influence membrane perforation. Results from this study showed the safety and effectiveness of using a reamer to perform lateral window approach sinus augmentation. The sinus membrane perforation rate was found to be 12.5%. A slightly higher perforation rate was noted in thinner maxillary lateral walls (< 1.25 mm). The authors concluded that reamer drilling is a safe and effective alternate technique for opening the lateral window wall when the lateral wall thickness is ≥ 1.25mm.