螺旋CT扫描重建与快速成型技术在颜面缺损赝复中的应用  

Application of 3D Reconstruction from Spiral CT Scan and Rapid Prototyping Technique in the Facial Defect Prosthetics

作　　者：邱憬[1,2] 顾晓宇[3] 孙健[3] 熊耀阳[3] 张富强[3] 

机构地区：[1]江苏省口腔医院种植修复科 [2]南京医科大学口腔医学研究所,江苏南京210029 [3]上海交通大学医学院附属第九人民医院口腔修复科

出　　处：《口腔医学研究》2012年第4期321-324,共4页Journal of Oral Science Research

基　　金：国家自然科学基金青年项目(编号:30901694);上海市经济和信息化委员会专项基金(编号:0801031)

摘　　要：目的:将螺旋CT扫描重建与三维打印快速成型技术相结合应用于颜面缺损赝复。方法:采用螺旋CT对1名颜面部颧颊联合缺损的患者进行颜面部扫描,对CT数据进行三维重建和处理,导入三维打印快速成型设备,制作患者的颜面缺损实体模型。比较、测量患者及模型的实际外形、尺寸。结果:螺旋CT扫描重建获得的颜面部三维数字化模型完整、清晰。三维模型经编辑导入三维打印快速成型机后,成功制作出颜面缺损实体模型。该模型与患者面部形态高度相似。结论:螺旋CT扫描重建结合三维打印技术,能准确获取颜面外形信息并生成颜面缺损实体模型。Objective： To investigate the feasibility of three-dimensional（3D） reconstruction from the spiral CT scan together with rapid prototyping technique in the facial defect prosthetics.Methods： The spiral CT scan was used to acquire primitive facial data of a patient with a right zygomatic and maxillary defect subsequent to carcinoma surgery.Through 3D reconstruction and image processing,a 3D facial digital model was acquired from the CT scan data.The digital model was then imported into a three dimension printing（3DP） rapid prototyping machine.After that,a solid facial model was fabricated and compared with the patient in shape and size.Results： The 3D facial model reconstructed from the spiral CT scan was vivid and complete.After this digital model was processed,a solid facial model of the patient was produced successfully by the 3DP rapid prototyping machine.The morphology of the solid model was in good agreement with the original face.Conclusion： Based on 3D reconstruction from the spiral CT scan and rapid prototyping technique,the 3D face profile can be captured accurately and used to fabricate a solid model of the facial defect.

关 键 词：三维重建 螺旋CT 快速成型 颜面缺损 

分 类 号：R816.98[医药卫生—放射医学]