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Chin J Dent Res. 2015;18(4):241-5. doi: 10.3290/j.cjdr.a35149.

A New Technique for Minimally Invasive Maxillary Lateral Sinus Augmentation: a Case Report.


Numerous techniques are described for lateral sinus augmentation, in order to expand bone volume, either by a crestal or lateral approach. A successful surgical procedure is determined by a number of factors. It is reported that different techniques for sinus augmentation have a high percentage of success, but presents a number of intraoperative and postoperative complications such as the Schneiderian membrane perforation and a long operating time. To manage the problem of the insufficient bone height in the posterior maxilla, various bonegrafting materials were applied using different techniques and instruments to elevate the sinus membrane and fill the subsinus cavity thereafter. The article aimed to describe a minimally invasive technique, using a special design bur to wear out the lateral bone safely and elevate the sinus membrane with sophisticated separators. Platelet-rich fibrin (PRF) and decalcified bone allograft was used as grafting material to enhance bone healing. This new technique for the sinus lateral wall osteotomy minimised the incidence of intraoperative and postoperative complications and the mixed use of PRF with decalcified bone allograft showing a satisficatory efficacy.

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