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Objectives: The current study was conducted to evaluate crestal sinus floor elevation with either osteotome or osseodensification in posterior atrophic maxilla. Material & methods: 24 crestal sinus floor elevations were performed for 24 patients with at least 5mm residual bone height. 12 randomly selected patients received osteotome sinus elevation (group 1), and 12 received osseodensification sinus elevation (group 2). The treatment outcome was evaluated at 6, 12 months of healing clinically and radiographicaly. Implant 1ry and 2ry stability, marginal bone loss, and bone gain were recorded and statistically analyzed. Results: group 2 showed significantly higher ISQ values immediately postoperatively and at 6 months. There was significant increase of bone height (bone gain) in both groups (P=0.001), and bone gain was 2.79±0.30 mm and 3.33±0.25 mm in group 1 &2 respectively. Conclusion: Osseodensification sinus floor elevation was superior to osteotome elevation regarding the 1ry & 2ry stability, and bone gain.

egyptian dental journal /egyptian dental journal

Clinical and radiographic evaluation of osseodensification versus osteotome for sinus floor elevation in partially atrophic maxilla: A prospective long term study