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矫治下颌前突的手术设计不仅要考虑保护下齿槽神经血管、不破坏牙弓和牙列的完整、断骨下段后退范围不受限制等,还应使断骨下段后退的同时必须根据(牙合)关系的需要作上升和下降的调整,当断骨下段上升时全下颌枝缩短以调整后牙开(牙合),断骨下段下降时全下颌枝伸长以调整前牙开(牙合),这样才能充分满足矫治手术的要求,较好地解决以往此类手术术后所引起的开(牙合)问题。根据以
The treatment of mandibular protrusion surgery design should not only consider the protection of the alveolar neurovascular, does not undermine the integrity of the dental arch and dentition, broken bone under the scope of the recession is not limited, but also to make the lower bone fracture back must be based on (teeth The relationship between the rise and fall of the need to adjust the adjustment, when the rise of the lower fracture of the entire mandibular branch shortened to adjust the posterior teeth open (occlusal), lower descending bone mandibular branch elongation to adjust the anterior teeth open (occlusal ), So as to fully meet the requirements of orthodontic surgery, to better solve the previous open surgery (occlusion) caused by such surgery. According to