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A Novel Variation of the Lateral Window Approach for Sinus Floor Elevation in a Case of Bony Nodular Prominence.
Journal of Maxillofacial and Oral Surgery 2022 September
Introduction: In sinus floor augmentation, bony nodular prominence at the floor of the maxillary sinus is an obstruction to lateral window approach. It is challenging to detach and elevate the sinus membrane without making any perforations around the nodular prominence, because the membrane is very thin. To overcome these difficulties, we developed a novel method.
Method: The membrane was not detached from the surface of the nodular prominence except for at the basal point, but the nodular prominence was cut at the base. Nodular prominence and sinus membrane were elevated upward together. A resorbable collagen membrane was placed beneath it to provide mechanical support and cover any partial tear in the sinus membrane. Autogenous bone and/or bone substitute were packed in the vacant compartment depending on the condition.
Conclusion: This method is very easy to be carried out without any difficulties and worries. It gives us great benefit on the sinus floor augmentation.
Supplementary Information: The online version contains supplementary material available at 10.1007/s12663-021-01572-7.
Method: The membrane was not detached from the surface of the nodular prominence except for at the basal point, but the nodular prominence was cut at the base. Nodular prominence and sinus membrane were elevated upward together. A resorbable collagen membrane was placed beneath it to provide mechanical support and cover any partial tear in the sinus membrane. Autogenous bone and/or bone substitute were packed in the vacant compartment depending on the condition.
Conclusion: This method is very easy to be carried out without any difficulties and worries. It gives us great benefit on the sinus floor augmentation.
Supplementary Information: The online version contains supplementary material available at 10.1007/s12663-021-01572-7.
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