相关实验视频

Updated: Jun 16, 2025

Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures

Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures

Published on: August 5, 2021

手持式X射线装置在使用不同数字系统诊断近道病变时的影响

Débora Costa Ruiz¹, Rocharles Cavalcante Fontenele², Hugo Gaêta-Araujo³

¹Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Av. Limeira, 901, Areião, Piracicaba, SP, 13414-903, Brazil. ruiz03338@gmail.com.

|January 21, 2025

概括

手持式牙科X射线装置的性能与挂在墙上的装置相似,用于诊断近位. 诊断准确度不受X射线单元类型的影响,无论使用何种数字成像系统.

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.
诊断成像诊断成像诊断成像

背景情况:

牙损伤的诊断严重依赖于放射性成像.
评估新技术,如手持式X射线装置,对于提高诊断效率和准确性至关重要.
数字成像系统在减少辐射剂量和图像质量方面具有潜在的优势.

研究的目的:

为了比较手持牙科X射线装置的诊断性能与用于检测近位的传统壁挂装置的诊断性能.
评估不同数字成像系统 (板和两个CMOS传感器) 在使用两种X射线单元类型时对诊断准确性的影响.

主要方法:

通过手持式 (老X射线) 和挂在墙上的 (焦点X射线) 装置,获得了40颗人类牙的放射图.
使用了三个数字系统:Express (板),Digora Toto (CMOS) 和SnapShot (CMOS) 这三种数字系统.
五名口腔和面放射科医生评估了近距离的放射图,并分析了诊断指标 (AUC,灵敏度,特异性).

主要成果:

在手持式和挂在墙上的X射线装置之间没有发现诊断指标的显著差异 (p > 0.05).
与Digora Toto系统相比,SnapShot系统显示了较高的曲线下面积 (AUC) (p <0.05).
审查员内部的协议是实质性的 (0.654),而审查员之间的协议是公平的 (0.365).

结论:

手持式牙科X射线装置提供诊断准确度,与用于近端虫检测的壁挂装置相提并论.
数字成像系统的选择可以影响诊断性能,SnapShot显示了一个优势.
这些发现支持使用手持式X射线装置作为牙科放射学中可行的替代方案.

关键词:

牙腐烂是指牙的腐烂.牙科数字放射学牙科数字放射学放射学放射学放射学放射学这是X射线.

更多相关视频

Accuracy in Dental Medicine, A New Way to Measure Trueness and Precision

Accuracy in Dental Medicine, A New Way to Measure Trueness and Precision

Published on: April 29, 2014

Measuring the Complete-arch Distortion of an Optical Dental Impression

Measuring the Complete-arch Distortion of an Optical Dental Impression

Published on: May 30, 2019

相关概念视频

X-ray Imaging

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...

Imaging Studies for Cardiovascular System III: X-Ray

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...