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首页> 外文期刊>The international journal of medical robotics + computer assisted surgery: MRCAS >Maxillary sinus augmentation using computer-aided design/computer-aided manufacturing (CAD/CAM) technology
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Maxillary sinus augmentation using computer-aided design/computer-aided manufacturing (CAD/CAM) technology

机译：使用计算机辅助设计/计算机辅助制造（CAD / CAM）技术的上颌窦增强

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摘要

Background: Maxillary sinus augmentation is a common method for increasing bone height for insertion of dental implants. In most cases, the graft is manually cut into a roughly appropriate shape by visual estimation during the operation; accordingly, the shape of the graft depends considerably on the experience of the surgeon. We have developed a computer-aided design/computer-aided manufacturing (CAD/CAM) technique to generate custom-made block grafts for sinus augmentation, and a customized cutting guide to precisely position the lateral wall and facilitate membrane elevation, using cone-beam computed tomography (CBCT). Methods: Custom-made blocks of hydroxyapatite (HA) were preoperatively cut to the required shape, based on a three-dimensional (3D) simulation, using CAD/CAM technology. The custom-made HA blocks were used for sinus augmentation. Results: Five patients underwent bilateral sinus elevation with custom-made HA blocks. Six months later, implants were placed. Two years after placement, all implants were in function. No clinical or prosthetic complications were encountered. Conclusions: We present a CAD/CAM technique for the fabrication of custom-made block grafts for sinus augmentation.
机译：背景：上颌窦增大术是增加骨高度以插入牙科植入物的常用方法。在大多数情况下，在手术过程中通过视觉估计将移植物手动切成大致合适的形状。因此，移植物的形状在很大程度上取决于外科医生的经验。我们已经开发了一种计算机辅助设计/计算机辅助制造（CAD / CAM）技术，以生成用于窦性增大的定制块状移植物，以及定制的切割指南，以使用锥形束精确定位侧壁并促进膜抬高。计算机断层扫描（CBCT）。方法：基于三维（3D）模拟，使用CAD / CAM技术，将术前定制的羟磷灰石（HA）块切割成所需的形状。定制的HA块用于鼻窦增大。结果：5例患者接受了定制HA块双侧窦抬高。六个月后，植入植入物。放置两年后，所有植入物均已起作用。没有遇到临床或修复并发症。结论：我们提出了一种CAD / CAM技术，用于制造定制的块状窦移植物，以进行窦增大。

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