Sinus bone grafting technique using special reamers and microelevators.

When residual bone height is insufficient in the maxillary posterior area, the maxillary sinus elevation and implant placement with lateral approach are oftentimes used. However, the risk of sinus membrane perforation, or tearing, is high for this procedure. This article introduces a technique that uses a special reamer and a microelevator to minimize sinus membrane injury.