CBCT Observation of Osteogenic Effect after Transalveolar Maxillary Sinus Floor Elevation

doi:10.3969/j.issn.1005-4979.2018.02.008

Abstract

Abstract: Objective: To evaluate the mass bone around implant after transalveolar maxillary sinus floor elevation and simultaneous implant placement without bone grafting. Methods: 51 implants were simultaneously placed in the posterior maxilla in 42 patients by transalveolar maxillary sinus floor elevation without bone grafting . The residual bone heights of patients were 4.3～9.2 mm. The CBCT examinations were performed before operation, immediately after operation, 3 months after the operation. To calculate the amount of new bone on the implant surface protruding into the sinus by Mimics. The final prostheses were restored after 3 to 4 months. The follow-up period was 6 months. The survival rate and the complication of implant were evaluated. Results: The survival rate of 51 implants was 100%. The elevation of the sinus floor was 1.00～4.62 mm. The mean amount of new bone on the implant surface protruding into the sinus was (10.31±2.35) mm2, the mean rate of new bone was 20.88%. Conclusion: The survival rate of implants in transalveolar maxillary sinus floor elevation without bone grafting was high. The implants that penetrate the sinus can be partially covered with new bone.

Key words: osteotome sinus floor elevation, implant, residual bone height

摘要： 目的：研究经牙槽突上颌窦提升不植骨同期种植，种植体周围的骨量变化。方法：上颌后牙缺失病例42例，缺牙区剩余牙槽骨高度范围4.3～9.2 mm，经牙槽突上颌窦提升，不植骨同期种植，共植入51枚种植体。术前、术后即刻及术后3个月拍摄CBCT观察种植区的骨量变化，通过Mimics软件定量比较术后即刻与术后3个月突入上颌窦内的种植体表面的骨量变化。术后3～4个月行上部永久修复，随访6个月，观察种植体的存留率、并发症。结果：51枚种植体存留率为100%，术后上颌窦底提升范围1.00～4.62 mm，术后3个月突入上颌窦内的种植体表面被新生骨覆盖的面积平均值（10.31±2.35） mm2，平均新生骨覆盖率20.88%。结论：经牙槽突上颌窦提升术不植骨同期植入种植体存留率高，突入上颌窦的种植体可部分被新生骨覆盖。

关键词: 经牙槽突上颌窦提升术； , 种植体； , 剩余牙槽骨高度

CLC Number:

R782.1

GUO Wen-jin1, PAN Ju-li2,3, HU Xiao-xing3, JIA Bin1, ZHANG Jing-yu3, JIANG Ai-tong3. CBCT Observation of Osteogenic Effect after Transalveolar Maxillary Sinus Floor Elevation[J]. 《Journal of Oral and Maxillofacial Surgery》, doi: 10.3969/j.issn.1005-4979.2018.02.008.

郭文锦1，潘巨利2,3，胡晓星3，贾斌1，张静雨3，蒋暧瞳3. 经牙槽突上颌窦底提升术后成骨效果的CBCT观察[J]. 《口腔颌面外科杂志》, doi: 10.3969/j.issn.1005-4979.2018.02.008.

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URL: https://journal06.magtech.org.cn/Jweb_joms/EN/10.3969/j.issn.1005-4979.2018.02.008

https://journal06.magtech.org.cn/Jweb_joms/EN/Y2018/V28/I2/96

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