Simultaneous implant placement with bone grafting to the thin buccal plate of bone using xenograft in areas of inadequate width in posterior mandible.

A. Derar, A. Hosni, W. Elmohandes
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Abstract

Objective: The collapse of bone is considered to be a normal physiological change following the extraction if no measure of socket preservation was applied. This study was performed using pericardium collagen membrane and xenograft for horizontal width augmentation simultaneously with the placement of implant. To evaluate the amount of new bone gain cone beam computed tomograpghy (CBCT) was used. Subjects and methods : Fifteen patients who met the inclusion criteria were selected from outpatient clinic in the Faculty of Dentistry, Al-Azhar University (boys-Cairo). All the patients showed narrow width in the lower posterior edentulous ridge that need to be restored by implant placement. All the cases had guided bone regeneration procedure using xenograft and pericardium membrane. The ridge width was measured preoperatively and 6 months post operatively using (CBCT) to evaluate the amount of bone gain. Results: The ridge width showed a significant increase from 4.51±0.56 pre-operatively to 6.61±0.44 immediately post-operative. This was followed by a decrease to 4.71± 0.6 after 6 months postoperatively. There was no significant difference between values recorded pre-operatively and after 6 months. Conclusion: The results of the current study do not support the use of bovine pericardium membrane with xenografts in horizontal bone augmentation simultaneously with implant placement.
在后下颌骨宽度不足的区域使用异种移植物同时植入骨薄颊板。
目的:如果不采取保留牙槽骨的措施,骨塌陷被认为是拔牙后正常的生理变化。本研究采用心包胶原膜和异种移植物在植入植入物的同时进行水平宽度增大。采用锥形束计算机断层扫描(CBCT)评价新骨增重的数量。对象和方法:从爱资哈尔大学(开罗)牙科学院门诊选取符合纳入标准的患者15例。所有患者均表现为无牙下牙嵴狭窄,需通过种植体修复。所有病例均行异种骨移植心包膜引导骨再生手术。术前和术后6个月采用CBCT测量脊宽,评估骨增重量。结果:脊宽由术前的4.51±0.56明显增加到术后即刻的6.61±0.44。术后6个月下降至4.71±0.6。术前与术后6个月间无明显差异。结论:目前的研究结果不支持牛心包膜异种移植物在水平骨增强术中与植入物同时使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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