Abstract: Bone augmentation, especially vertical bone augmentation, has always been a difficulty and challenge in the clinical treatment of implantation. Although the bone block technique, which is now considered as the “golden standard” for massive bone grafting, and various bone augmentation techniques have been widely used and studied, every technique has some limitations, and there is no widely recognized optimal vertical bone augmentation technique at present. Therefore, the exploration of vertical bone augmentation technology also needs to be continued. In this paper, we will introduce a new vertical bone augmentation technique, the fence technique, which is a kind of guided bone regeneration technique by bending a titanium plate and fixing it on the bone defect area to support the osteogenic space. As a new technique, it inevitably has some disadvantages and limitations. In this paper, we also put forward an improvement of this technique, adopting full digital design and process to simplify and standardize this technique, adding a new idea and method for vertical bone augmentation..

Key words: Vertical bone augmentation, Digital technique, Fence technique