伏塞尔大小对形束计算机断层扫描的影响 根运河解剖学的基于评估:系统性审查和元分析
Hossein Mohammad-Rahimi1,2, Seyed AmirHossein Ourang3, Ali Nosrat4,5
1Department of Dentistry and Oral Health, Aarhus University, Aarhus, Denmark.
International endodontic journal
|January 9, 2026
概括
在形光束计算机断层扫描 (CBCT) 中,较小的voxel大小可以改善根管解剖学的评估. 这一系统性审查发现,CBCT图像 voxel 尺寸≤125μm显著提高诊断准确度内牙评估.
科学领域:
- 牙科 牙科是指牙科的专业.
- 放射学 放射学是一门学科.
- 牙周内科医院 牙周内科医院 牙周内科医院
背景情况:
- 圆束计算断层扫描 (CBCT) 对于内牙诊断和治疗至关重要.
- 伏塞尔大小是影响CBCT空间分辨率和诊断性能的一个关键参数.
- 评估根管解剖学是CBCT在牙周内科的主要应用.
研究的目的:
- 系统地审查和元分析CBCT声细胞大小对根运河解剖评估诊断结果的影响.
- 为了比较不同voxel大小类别之间的诊断准确性.
主要方法:
- 在没有日期限制的情况下进行全面的数据库搜索 (PubMed,科学网,Embase,Scopus).
- 包含具有定量诊断结果的研究,比较根管解剖学CBCT声素大小.
- 使用随机效应模型进行元分析,并对 voxel 尺寸 ≤125 μm 和 >125 μm 的子组分析.
主要成果:
- 纳入了15项研究,其中7项为分析做出了贡献.
- 较小的体大小 (≤125μm) 与较大的体大小 (>125μm,75%) 相比,显示出明显更高的诊断准确性 (85%).
- 研究人员发现,缩小小小的体尺寸和改善根管解剖的诊断准确性之间存在统计学意义上的关联.
结论:
- 降低CBCT声细胞大小与根管解剖学评估的增强诊断结果有关.
- 虽然在统计学上显著,但由于异质性和缺乏临床研究,研究结果需要谨慎解释.
- 建议进行进一步的标准化临床研究,以验证 voxel 尺寸对 CBCT 诊断结果的影响.
相关概念视频
Imaging Studies III: Computed Tomography
280
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
280
Imaging Studies I: CT and MRI
779
Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
779
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT
381
Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
381
Computed Tomography
8.0K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
8.0K
Imaging Studies for Cardiovascular System V: CT
276
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
276
Radiological Investigation II: MRI and Ventilation Perfusion Scan
521
Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
521


