基于二维DR数据的颅面硬组织三维重建精度分析

上海口腔医学 ›› 2016, Vol. 25 ›› Issue (2): 181-186.

基于二维DR数据的颅面硬组织三维重建精度分析

冯耀浦^1*，周洪²，翟培芳³，张艳宁³，孙琳琳¹

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

收稿日期:2015-07-03 修回日期:2015-09-01 出版日期:2016-03-25 发布日期:2016-05-06
作者简介:冯耀浦(1983-),男,硕士,主治医师,E-mail: fypangel@126.com 周洪,E-mail:zhouhong@mail.xjtu.edu.cn

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

FENG Yao-pu¹, ZHOU Hong², ZHAI Pei-fang³, ZHANG Yan-ning³, SUN Lin-lin¹

1.Department of Orthodontics, Hospital of Stomatology of Baoji City. Baoji 721001;
2.Department of Orthodontics, Hospital of Stomatology, Xi'an Jiaotong University. Xi'an 710004;
3. Northwestern Polytechnical University. Xi'an 710067, Shaanxi Province, China

Received:2015-07-03 Revised:2015-09-01 Online:2016-03-25 Published:2016-05-06

摘要/Abstract

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。

关键词: 数字化X线头影片, 三维重建, 精度, 形变建模, CT建模

Abstract: 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.

Key words: Digital cephalometric radiograph, 3D reconstruction, Precision, Deformation modeling, CT modeling

中图分类号:

R783.5

冯耀浦，周洪，翟培芳，张艳宁，孙琳琳. 基于二维DR数据的颅面硬组织三维重建精度分析[J]. 上海口腔医学, 2016, 25(2): 181-186.

FENG Yao-pu, ZHOU Hong, ZHAI Pei-fang, ZHANG Yan-ning, SUN Lin-lin. Precision validation of 3-D reconstruction of the craniofacial hard tissues based on 2-D digital radiograph[J]. Shanghai Journal of Stomatology, 2016, 25(2): 181-186.

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