External sinus augmentation with delayed implant placement by Prof. István Urbá
Aim of Treatment
During external grafting of the maxillary sinus the most important risk is perforation of the Schneiderian membrane. Clinicians, especially with limited experience, should therefore use the safest available techniques. In the procedure described below Professor Urbán utilizes spatula-formed or round piezoelectric instruments to prepare the outline of the lateral window. He does not detach the bone from the membrane, but infractures it and rotates it into the sinus using specialized piezoelectric inserts. Prior to delayed implant placement the sinus is augmented with a sagittal sandwich grafting technique.
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