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| The Spatial Osteogenic Effect of Using Autologous Bone Fragment in Simultaneous Implantation during Maxillary Sinus External Elevation Surgery |
| KONG Lingbing, DONG Shitao, FAN Jiamei, et al |
| Chengde Stomatological Hospital, Hebei Chengde 067000, China |
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Abstract Objective: To investigate the spatial osteogenic effect of autologous bone slices in the simultaneous implantation of maxillary sinus elevation. Methods: Sixty patients who underwent dental implant restoration in the maxillary posterior region at Chengde Stomatological Hospital from May 2023 to January 2024 were selected and randomly divided into a study group and a control group, with 30 patients in each group. In the study group, 112 implants were implanted after the ultrasonic bone knife was used to open the anterolateral wall of the maxillary sinus and the open autogenous bone fragments combined with platelet-rich fibrin (PRF) were placed on the floor of the maxillary sinus; in the control group, 104 implants were implanted after the PRF was placed on the floor of the maxillary sinus after opening the anterolateral wall of the maxillary sinus using abrasion.A total of 216 implants were implanted, and pain, osteogenesis and healing were analysed and evaluated in both groups at 1, 6 and 12 months after surgery. Results: Both the study group and the control group achieved good results of maxillary sinus floor elevation, but in the control group, the height of bone increment tended to decrease more significantly after 6 months postoperatively, and although the elevation purpose could be achieved, there was more resorption of new bone. Conclusion: In patients with insufficient bone volume in the maxillary posterior region, autogenous bone fragments combined with PRF applied in maxillary sinus external elevation and implant placement at the same time can achieve more stable bone gain effect.
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2025, Vol. 31 
