Ying Binbin, Hu Jing, Zhu Songsong, Li Jihua
Stomatology Department, Ningbo First Hospital, Ningbo, China.
J Craniofac Surg. 2011 Mar;22(2):638-40. doi: 10.1097/SCS.0b013e318207f415.
Distraction osteogenesis as a technique seems to be a promising method in craniofacial bone lengthening and reconstruction through the process of bone and soft-tissue regeneration under stimulation of gradual tensile stress. Distractor plays a very important role especially in the reconstruction of large, irregular bone defects. We designed a new-type distractor and supporting computer program for the reconstruction of arc defects in the mandible by distraction osteogenesis. This distractor was applied for the reconstruction of the monkeys' artificial mandibular median defects. Owing to computer program, perfect distracting plan was made to finish this task. X-ray files showed that the mandibular defects in all animals were repaired successfully, and the anterior mandibular contours were similar to the normal ones. The success of distraction osteogenesis for repair of mandibular median defects in monkeys suggests that this distractor and supporting computer program met the needs of the reconstruction of arc defects in the mandible by distraction osteogenesis.
牵张成骨技术似乎是一种很有前景的方法，可通过在逐渐拉伸应力刺激下的骨和软组织再生过程，用于颅面骨延长和重建。牵张器发挥着非常重要的作用，尤其是在大型不规则骨缺损的重建中。我们设计了一种新型牵张器及配套的计算机程序，用于通过牵张成骨技术重建下颌骨弧形缺损。该牵张器应用于猴子人工下颌骨正中缺损的重建。借助计算机程序，制定了完美的牵张计划以完成此项任务。X线片显示所有动物的下颌骨缺损均成功修复，下颌前部轮廓与正常轮廓相似。猴子下颌骨正中缺损牵张成骨修复的成功表明，这种牵张器及配套计算机程序满足了通过牵张成骨技术重建下颌骨弧形缺损的需求。
