Part 2 book “Sinus grafting techniques” has contents: Current state, treatment modalities, and future perspectives of sinus floor elevation, complications of maxillary sinus bone augmentation - prevention and management, use of grafting materials in sinus floor elevation - biologic basis and current updates, and other contents. | 6 Crestal Sinus Floor Elevation (SFE) Approach: Overview and Recent Developments Nabih Nader, Maissa Aboul Hosn, and Ronald Younes Contents Scientific Background of Minimally Invasive SFE . Modifications of the “Original” Technique (OSFE Summers 1994c) Bone-Added Osteotome Sinus Floor Elevation (BAOSFE) Modified Osteotome Technique (Drills + Osteotomes + BS) Modified Trephine/Osteotome Approach (Simultaneous Implant Placement) Cosci Technique. Modifications of Summers Technique (OSFE) with Delayed Implant Placement Future Site Development (FSD) Technique. Modified Trephine/Osteotome Sinus Augmentation Technique (Post-extraction Molars and Premolars) Minimally Invasive Antral Membrane Balloon Elevation (MIAMBE) . Hydraulic Pressure Technique . Transalveolar Sinus Elevation Combined with Ridge Expansion Advanced Crestal Techniques . Crestal Bone Impacted Trap (CBIT) . Crestal Bone Repositioned Trap (CBRT) Graftless Approach .