Abstract
Maxillary sinus membrane perforation or tear is the most common complication of the sinus grafting procedure. Repair of the sinus membrane is usually accomplished at the time of the sinus graft procedure and often results in uneventful postoperative complications. However, complications may still arise, especially with large sinus membrane perforations or complete tears that could lead to an infection of the maxillary sinus and other anatomic areas of the maxillofacial complex that could result in bone graft and dental implant failure. An alternative strategy and method to repair the Scheiderian membrane that results in a newly formed fibrotic sinus membrane is described that permits completion of dental implant treatment.
Highlights
The maxillary sinus lift elevation procedure with bone graft augmentation is the most frequently performed surgical procedure to increase the vertical bone height of the posterior maxilla in preparation for dental implant placement
Complications may still arise, especially with large sinus membrane perforations or complete tears that could lead to an infection of the maxillary sinus and other anatomic areas of the maxillofacial complex that could result in bone graft and dental implant failure
Boyne [10] hypothesized that the size of the sinus membrane perforation may affect the success of the sinus bone graft augmentation procedure
Summary
The maxillary sinus lift elevation procedure with bone graft augmentation is the most frequently performed surgical procedure to increase the vertical bone height of the posterior maxilla in preparation for dental implant placement. The procedure has been modified by others and has a high clinical success rate of greater than 90% [5,6,7,8,9]. This surgical procedure to correct the atrophic posterior maxilla is not without complications. Boyne [10] hypothesized that the size of the sinus membrane perforation may affect the success of the sinus bone graft augmentation procedure. The infection may progress to involve other anatomic structures of the maxillofacial region, such as the other paranasal sinuses, orbit and anterior and middle cranial fossae [24,25,26]
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