Crestal Sinus Lift With Osseodensification in Severely Atrophic Maxilla: Case Series With Long-Term Follow-up
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by Salah Huwais
November 15, 2025
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17 min
Implant rehabilitation in the posterior maxilla faces challenges due to insufficient bone volume and density, necessitating sinus grafting. The osseodensification technique enhances bone density through a specialized bur, allowing for transcrestal maxillary sinus augmentation. This method minimizes trauma and complications, with protocols established based on residual bone height. The two-stage osseodensification sinus lift protocol IV presents a reliable approach for patients with severe bone loss, ensuring higher success rates and improved healing outcomes.
1. Osseodensification improves bone density for implant placement. 2. Protocol IV addresses severe maxillary bone loss (RBH ≤0.5–1.5 mm). 3. This technique reduces surgery time and postoperative discomfort. 4. It utilizes specially designed burs to compact and graft bone. 5. Successful outcomes reported with high implant survival rates. 6. Protocols established according to residual bone height (≥2–3 mm, ≥4–5 mm, ≥6 mm). 7. Minimizes complications associated with traditional sinus lift procedures.
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