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Three-dimensional accuracy of measurements made with software on cone-beam computed tomography images.使用软件在锥束计算机断层扫描图像上进行测量的三维准确性。
Am J Orthod Dentofacial Orthop. 2008 Jul;134(1):112-6. doi: 10.1016/j.ajodo.2006.08.024.
2
Linear accuracy and reliability of cone beam CT derived 3-dimensional images constructed using an orthodontic volumetric rendering program.使用正畸容积再现程序构建的锥形束CT衍生三维图像的线性准确性和可靠性。
Angle Orthod. 2008 May;78(3):387-95. doi: 10.2319/122106-52.1.
3
Accuracy of linear measurement provided by cone beam computed tomography to assess bone quantity in the posterior maxilla: a human cadaver study.锥形束计算机断层扫描用于评估上颌后牙区骨量的线性测量准确性：一项人体尸体研究。
Clin Implant Dent Relat Res. 2008 Dec;10(4):226-30. doi: 10.1111/j.1708-8208.2008.00083.x. Epub 2008 Apr 1.
4
Comparison of cone beam computed tomography imaging with physical measures.锥形束计算机断层扫描成像与物理测量的比较。
Dentomaxillofac Radiol. 2008 Feb;37(2):80-93. doi: 10.1259/dmfr/31349994.
5
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.
6
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.
7
Analysis of the accuracy of linear measurements obtained by cone beam computed tomography (CBCT-NewTom).锥形束计算机断层扫描（CBCT - NewTom）获得的线性测量准确性分析。
Dentomaxillofac Radiol. 2004 Sep;33(5):291-4. doi: 10.1259/dmfr/25500850.
8
Dosimetry of two extraoral direct digital imaging devices: NewTom cone beam CT and Orthophos Plus DS panoramic unit.两种口外直接数字化成像设备的剂量测定：NewTom锥形束CT和Orthophos Plus DS全景机
Dentomaxillofac Radiol. 2003 Jul;32(4):229-34. doi: 10.1259/dmfr/26310390.
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A comparison of a new limited cone beam computed tomography machine for dental use with a multidetector row helical CT machine.一种新型牙科专用有限锥形束计算机断层扫描机与多层螺旋CT机的比较。
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2003 Mar;95(3):371-7. doi: 10.1067/moe.2003.120.
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3D volume rendering using multislice CT for dental implants.使用多层螺旋CT进行牙种植体的三维容积成像
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在模拟临床条件下，Galileos 锥形束计算机断层摄影中的线性测量精度。

Accuracy of linear measurement in the Galileos cone beam computed tomography under simulated clinical conditions.

机构信息

Oral and Maxillofacial Radiology, General Dentistry, Tufts University School of Dental Medicine, Boston, MA, USA.

出版信息

Dentomaxillofac Radiol. 2011 Jul;40(5):299-305. doi: 10.1259/dmfr/72117593.

DOI:10.1259/dmfr/72117593
PMID:21697155
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3520257/
Abstract

OBJECTIVES

The aim of this study was to determine the geometric accuracy of cone beam CT (CBCT)-based linear measurements of bone height obtained with the Galileos CBCT (Sirona Dental Systems Inc., Bensheim, Hessen, Germany) in the presence of soft tissues.

METHODS

Six embalmed cadaver heads were imaged with the Galileos CBCT unit subsequent to placement of radiopaque fiduciary markers over the buccal and lingual cortical plates. Electronic linear measurements of bone height were obtained using the Sirona software. Physical measurements were obtained with digital calipers at the same location. This distance was compared on all six specimens bilaterally to determine accuracy of the image measurements.

RESULTS

The findings showed no statistically significant difference between the imaging and physical measurements (P > 0.05) as determined by a paired sample t-test. The intraclass correlation was used to measure the intrarater reliability of repeated measures and there was no statistically significant difference between measurements performed at the same location (P > 0.05).

CONCLUSIONS

The Galileos CBCT image-based linear measurement between anatomical structures within the mandible in the presence of soft tissues is sufficiently accurate for clinical use.

摘要

目的

本研究旨在确定在软组织存在的情况下，使用 Galileos CBCT（德国 Sirona Dental Systems Inc.，黑森州本海姆）进行基于锥形束 CT（CBCT）的骨高度线性测量的几何准确性。

方法

在 6 个防腐的头颅标本上放置不透射线的基准标记物于颊侧和舌侧皮质板上，然后使用 Galileos CBCT 单元进行成像。使用 Sirona 软件获得骨高度的电子线性测量值。在同一位置使用数字卡尺进行物理测量。在所有 6 个标本上双侧比较该距离，以确定图像测量的准确性。

结果

配对样本 t 检验表明，影像学测量值与物理测量值之间无统计学差异（P＞0.05）。采用组内相关系数来测量重复测量的组内可靠性，并且在同一位置进行的测量之间无统计学差异（P＞0.05）。

结论

在软组织存在的情况下，Galileos CBCT 图像基于解剖结构的下颌骨内线性测量对于临床应用而言足够准确。