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本文引用的文献

1
Precision of cephalometric landmark identification: cone-beam computed tomography vs conventional cephalometric views.头影测量标志点识别的精度：锥形束计算机断层扫描与传统头影测量影像对比
Am J Orthod Dentofacial Orthop. 2009 Sep;136(3):312.e1-10; discussion 312-3. doi: 10.1016/j.ajodo.2008.12.018.
2
Comparison of cephalometric radiographs obtained from cone-beam computed tomography scans and conventional radiographs.锥形束计算机断层扫描和传统X线摄影所得头颅侧位片的比较。
J Oral Maxillofac Surg. 2009 Jan;67(1):92-7. doi: 10.1016/j.joms.2008.04.025.
3
Comparison between conventional and cone-beam computed tomography-generated cephalograms.传统头颅侧位片与锥形束计算机断层扫描生成的头颅侧位片的比较。
Am J Orthod Dentofacial Orthop. 2008 Dec;134(6):798-802. doi: 10.1016/j.ajodo.2008.07.008.
4
In vivo comparison of conventional and cone beam CT synthesized cephalograms.传统头颅侧位片与锥形束CT合成头颅侧位片的体内比较。
Angle Orthod. 2008 Sep;78(5):873-9. doi: 10.2319/082907-399.1.
5
Accuracy of linear measurements from imaging plate and lateral cephalometric images derived from cone-beam computed tomography.成像板及锥形束计算机断层扫描所得头颅侧位影像的线性测量准确性
Am J Orthod Dentofacial Orthop. 2007 Oct;132(4):550-60. doi: 10.1016/j.ajodo.2006.09.046.
6
Effect of cephalometer misalignment on calculations of facial asymmetry.头影测量仪校准不当对面部不对称计算的影响。
Am J Orthod Dentofacial Orthop. 2007 Jul;132(1):15-27. doi: 10.1016/j.ajodo.2005.06.039.
7
Geometric accuracy of a newly developed cone-beam device for maxillofacial imaging.一种新开发的用于颌面成像的锥形束设备的几何精度。
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007 Oct;104(4):551-9. doi: 10.1016/j.tripleo.2007.02.021. Epub 2007 Jul 5.
8
Comparison of conventional and cone beam CT synthesized cephalograms.传统头颅侧位片与锥形束CT合成头颅侧位片的比较。
Dentomaxillofac Radiol. 2007 Jul;36(5):263-9. doi: 10.1259/dmfr/98032356.
9
Accuracy of measurements of mandibular anatomy in cone beam computed tomography images.锥形束计算机断层扫描图像中下颌骨解剖结构测量的准确性。
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007 Apr;103(4):534-42. doi: 10.1016/j.tripleo.2006.04.008. Epub 2006 Aug 4.
10
Image analysis and superimposition of 3-dimensional cone-beam computed tomography models.三维锥形束计算机断层扫描模型的图像分析与叠加
Am J Orthod Dentofacial Orthop. 2006 May;129(5):611-8. doi: 10.1016/j.ajodo.2005.12.008.

使用锥形束计算机断层扫描生成的头颅侧位片计算准确性和标志点误差。

Accuracy and landmark error calculation using cone-beam computed tomography-generated cephalograms.

机构信息

Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC 27599-7450, USA.

出版信息

Angle Orthod. 2010 Mar;80(2):286-94. doi: 10.2319/030909-135.1.

DOI:10.2319/030909-135.1
PMID:19905853
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2914273/
Abstract

OBJECTIVE

To evaluate systematic differences in landmark position between cone-beam computed tomography (CBCT)-generated cephalograms and conventional digital cephalograms and to estimate how much variability should be taken into account when both modalities are used within the same longitudinal study.

MATERIALS AND METHODS

Landmarks on homologous cone-beam computed tomographic-generated cephalograms and conventional digital cephalograms of 46 patients were digitized, registered, and compared via the Hotelling T(2) test.

RESULTS

There were no systematic differences between modalities in the position of most landmarks. Three landmarks showed statistically significant differences but did not reach clinical significance. A method for error calculation while combining both modalities in the same individual is presented.

CONCLUSION

In a longitudinal follow-up for assessment of treatment outcomes and growth of one individual, the error due to the combination of the two modalities might be larger than previously estimated.

摘要

目的

评估锥形束 CT（CBCT）生成的头颅侧位片和传统数字头颅侧位片的标志点位置之间的系统差异，并估计在同一纵向研究中同时使用这两种模式时应考虑多少可变性。

材料与方法

对 46 例患者的同源锥形束 CT 生成的头颅侧位片和传统数字头颅侧位片上的标志点进行数字化、配准，并通过 Hotelling T(2)检验进行比较。

结果

在大多数标志点的位置上，两种模式之间没有系统差异。有三个标志点显示出统计学上的显著差异，但没有达到临床意义。提出了一种在同一个体中同时结合两种模式进行误差计算的方法。

结论

在对个体的治疗效果和生长进行的纵向随访中，由于两种模式的结合而产生的误差可能比之前估计的要大。