3-D打印技术制备人工骨修复下颌角截骨整形术后骨缺损

发布时间：2018-01-14 15:32

本文关键词：3-D打印技术制备人工骨修复下颌角截骨整形术后骨缺损　出处：《中国修复重建外科杂志》2014年03期 　论文类型：期刊论文

【摘要】：目的探讨应用3-D打印技术结合三维CT及计算机辅助设计技术制作个性化人工骨,修复下颌角截骨整形术后骨缺损,矫正下颌骨不对称畸形的效果。方法 2011年4月-2013年6月,收治23例曾行下颌角截骨整形术的女性患者。年龄22~34岁,平均27岁;术后发生双侧下颌骨形态不对称,下颌角截骨整形术至此次修复术时间为6~16个月,平均12个月。首先采集患者三维CT扫描数据,结合计算机辅助技术基于镜像原理设计个性化下颌角模型,应用3-D打印技术打印缺损模型并制作相应人工骨植入缺损区。结果手术时间40~60 min,平均50 min。术后口内切口均Ⅰ期愈合,无感染、血肿、张口困难等并发症发生。23例均获随访,随访时间3~10个月,平均6.7个月。术后患者面部对称性显著改善,双侧下颌骨形态对称;术后3个月CT三维重建检查示人工骨契合度满意。结论三维CT扫描、计算机辅助设计和3-D打印技术可以制作个性化人工下颌骨,为下颌角截骨整形术后不对称畸形治疗提供了一种精确和简便的方法。
[Abstract]:Objective to explore the application of 3-D printing technology combined with three-dimensional CT and computer-aided design technology to make personalized artificial bone to repair bone defect after mandibular angle osteotomy. Methods from April 2011 to June 2013, 23 female patients with mandibular angle osteotomy were treated. Bilateral mandibular morphology was asymmetrical after operation. The time from mandibular angle osteotomy to this repair was 6 ~ 16 months (mean 12 months). First, the data of 3D CT scan were collected. The individualized mandibular angle model was designed based on mirror image principle with computer aided technology. The defect model was printed by 3-D printing technique and the corresponding artificial bone was implanted into the defect area. Results the operative time was 4060 min (mean 50 mins). The complications of hematoma and mouth opening were all followed up for 3 ~ 10 months (mean 6.7 months). The facial symmetry and bilateral mandibular morphology were significantly improved after operation. Conclusion 3D CT scan, computer aided design and 3-D printing technique can be used to make personalized artificial mandible. It provides an accurate and simple method for the treatment of asymmetrical deformity after mandibular angle osteotomy.
【作者单位】：上海交通大学医学院附属第九人民医院整复外科;
【基金】：国家自然科学基金资助项目(81372097) 上海市科学技术委员会基金资助项目(13DZ1108905)~~
【分类号】：TP334.8;R782.2
【正文快照】： 下颌角肥大表现为下颌角骨质向后增生突出及侧向向外翻转,导致面下部过宽。因不符合传统的东方审美观,要求行下颌角截骨整形术的患者在亚洲非常多见。成功的手术可使脸型和下颌角形态得到改善,且不影响正常口腔生理功能。目前下颌角截骨整形术多采用口内入路,因手术视野受限,

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