基于二维DR数据的颅面硬组织三维重建精度分析  

Precision validation of 3-D reconstruction of the craniofacial hard tissues based on 2-D digital radiograph

作　　者：冯耀浦[1] 周洪[2] 翟培芳[3] 张艳宁[3] 孙琳琳[1] 

机构地区：[1]宝鸡市口腔医院正畸科,陕西宝鸡721001 [2]西安交通大学口腔医院正畸科,陕西西安710004 [3]西北工业大学,陕西西安710067

出　　处：《上海口腔医学》2016年第2期181-186,共6页Shanghai Journal of Stomatology

摘　　要：目的 :验证二维DR数据形变重建的颅面硬组织模型的准确性,以期为治疗方案确定、手术方法选择和提高医患交流水平提供平台。方法:对7名志愿者分别进行基于二维DR数据的形变建模和CT建模,通过测量64项描述颅面硬组织特征的项目,进行直观重叠比较和客观分析。采用SPSS17.0软件包对数据进行配对t检验。结果:58项测量项目无显著差异,形变建模和CT建模的一致性很高。结论:基于二维DR数据形变建模的颅面硬组织精确性高,偏差基本在允许的范围内,完全可以满足临床诊断和治疗的需要。该三维重建系统能够在临床上应用。PURPOSE： In this study, we validated the precision of 3-D craniofacial reconstruction of hard tissues based on 2-D digital cephalometric radiograph, in order to increase the level of orthognathic diagnosis and treatment, and promote communication between doctors and patients. METHODS： Deformation modeling based on 2-D digital radiograph and CT modeling was performed in 7 volunteers. 64 items were measured which described craniofacial hard tissue structure, intuitive overlapping and objective analysis were conducted. SPSS 17.0 software package was used for paired t test. RESULTS： 58 measurement items were not statistically different. Deformation modeling and CT modeling of the consistency was very high. CONCLUSIONS： Deformation modeling based on 2-D digital radiograph of craniofacial hard tissues is accurate and reliable, and basic deviation was within the allowed range. This 3-D reconstruction system could be used in clinic for diagnosis and operation simulation.

关 键 词：数字化X线头影片 三维重建 精度 形变建模 CT建模 

分 类 号：R816.98[医药卫生—放射医学] R783.5[医药卫生—临床医学]