An Overview of Cone-Beam Computed Tomography and Dental Panoramic Radiography in Dentistry in the Community.

IF 2.2 4区医学 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Tomography Pub Date : 2024-08-07 DOI:10.3390/tomography10080092

David MacDonald, Vera Telyakova

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Abstract

This study reviews the two most important and frequently used systems of tomography used in dentistry today. These are the dental panoramic radiograph (DPR) and cone-beam computed tomography (CBCT). The importance of the DPR has been accentuated by the recent COVID-19 pandemic, as it does not produce an aerosol. Its clinical importance is derived from its panoramic display of the jaws and associated structures and should be examined for incidental findings that may portend a potentially serious outcome. An important recent spin-off of the DPR is the extra-oral bitewing, which can replace its traditional, uncomfortable and aerosol-generating intra-oral counterpart. Although much has been written about them, this paper reviews their essential attributes and limitations in clinical dentistry. Although attempts have been made to reproduce some of the attributes of CT in CBCT such as Hounsfield Units (HU) and improve the contrast resolution of the soft tissues, these remain elusive. Nevertheless, CBCT's dataset should be appropriately reconstructed to fully display the clinical feature prompting its prescription. In certain cases, more than one mode of reconstruction is required.

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社区牙科中的锥形束计算机断层扫描和牙科全景放射摄影概述。

本研究回顾了当今牙科领域最重要、最常用的两种断层成像系统。这两种系统分别是牙科全景放射摄影 (DPR) 和锥形束计算机断层扫描 (CBCT)。由于 DPR 不会产生气溶胶，因此最近的 COVID-19 大流行更加凸显了它的重要性。其临床重要性来自于它对颌骨和相关结构的全景显示，应检查是否有可能预示潜在严重后果的偶然发现。口外咬合显微镜是 DPR 最近的一个重要衍生产品，它可以取代传统的、不舒适的、会产生气溶胶的口内咬合显微镜。虽然关于它们的文章已经很多，但本文还是要回顾一下它们在临床牙科中的基本特性和局限性。尽管人们已经尝试在 CBCT 中复制 CT 的某些特性，如 HU（Hounsfield Units）和提高软组织的对比分辨率，但这些仍然难以实现。尽管如此，CBCT 的数据集仍应进行适当的重建，以充分显示临床特征，从而开出处方。在某些情况下，需要一种以上的重建模式。

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来源期刊

Tomography Medicine-Radiology, Nuclear Medicine and Imaging

CiteScore

2.70

自引率

10.50%

发文量

222

期刊介绍： TomographyTM publishes basic (technical and pre-clinical) and clinical scientific articles which involve the advancement of imaging technologies. Tomography encompasses studies that use single or multiple imaging modalities including for example CT, US, PET, SPECT, MR and hyperpolarization technologies, as well as optical modalities (i.e. bioluminescence, photoacoustic, endomicroscopy, fiber optic imaging and optical computed tomography) in basic sciences, engineering, preclinical and clinical medicine. Tomography also welcomes studies involving exploration and refinement of contrast mechanisms and image-derived metrics within and across modalities toward the development of novel imaging probes for image-based feedback and intervention. The use of imaging in biology and medicine provides unparalleled opportunities to noninvasively interrogate tissues to obtain real-time dynamic and quantitative information required for diagnosis and response to interventions and to follow evolving pathological conditions. As multi-modal studies and the complexities of imaging technologies themselves are ever increasing to provide advanced information to scientists and clinicians. Tomography provides a unique publication venue allowing investigators the opportunity to more precisely communicate integrated findings related to the diverse and heterogeneous features associated with underlying anatomical, physiological, functional, metabolic and molecular genetic activities of normal and diseased tissue. Thus Tomography publishes peer-reviewed articles which involve the broad use of imaging of any tissue and disease type including both preclinical and clinical investigations. In addition, hardware/software along with chemical and molecular probe advances are welcome as they are deemed to significantly contribute towards the long-term goal of improving the overall impact of imaging on scientific and clinical discovery.