3种不同材料在凹面型上颌窦底外提升术中的效果对比

doi:10.3969/j.issn.1006-6233.2021.04.026

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Abstract Objective: To compare the clinical effect of A-PRF, gelatin sponge and Bio Oss bone powder in the same period of implant placement in concave maxillary sinus floor external lift surgery.Methods: 108 patients with insufficient height of residual bone in maxillary posterior area and concave shape of maxillary sinus floorwere randomly divided into A-PARF group (A), gelatin sponge group (B) and Bio Oss bone powder control group (C). 145 implants were implanted at the same time. The degree of postoperative reaction and the new bone density in maxillary sinus at 4, 6 and 12 months were compared among the three groups. Results: The degree of postoperative complications was no obvious difference in the 3 groups (P>0.05). The group C of the HU was significantly higher than the group A and B at 4 m after the operation (P<0.05). The group A of the HU was significantly higher than the group B at 4 m after the operation (P<0.05), but the group A of the HU at 4m was close to the preoperative HU. There was no difference in the 3 groups at 6 m,12 m (P>0.05). Conclusion: A-PRF can promote the early formation of new bone, and can achieve good clinical results in the cases of simultaneous implantation of sinus-lifting operations which the sinus floor is concave by using A-PRF alone.

Key words： Sinus-lifting PRF Implant Concave floor of sinus Gelatin sponge

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http://www.hbyxzzs.cn/EN/10.3969/j.issn.1006-6233.2021.04.026 OR http://www.hbyxzzs.cn/EN/Y2021/V27/I4/650

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