Gurtu A, Aggarwal A, Mohan S, Singhal A, Bansal R, Agnihotri K
Department of Conservative Dentistry and Endodontics, Institute of Dental Sciences Bareilly (UP), India -
Minerva Stomatol. 2014 Sep;63(9):325-31.
Successful management of endodontic problems is reliant on diagnostic imaging techniques to provide critical information about the teeth under investigation, and their surrounding anatomy. Until recently, most of this core information was obtained from conventional radiographs. The introduction of cone-beam computed tomography (CBCT) specifically dedicated to imaging the maxillofacial region heralds a true paradigm shift from a two dimensional (2D) to a three dimensional (3D) approach to data acquisition and image reconstruction. CBCT systems provide small field of view images at low dose with sufficient spatial resolution for applications in endodontic diagnosis, treatment guidance, and post treatment evaluation. CBCT has been the subject of unparalleled levels of independent research in dental imaging in the area of endodontics. It gives the edge of 3D imaging at lower radiation level in comparison to conventional CT and has helped to treat endodontic cases with external resoption, root canal variations and apical periodontitis providing the size, site and extent accurately. This paper reviews the fundamentals of CBCT and presents the applications of this imaging system in contemporary endodontic practice.
牙髓病问题的成功管理依赖于诊断成像技术，以提供有关所检查牙齿及其周围解剖结构的关键信息。直到最近，大部分此类核心信息都是通过传统的X光片获得的。专门用于颌面区域成像的锥形束计算机断层扫描（CBCT）的引入，预示着从二维（2D）到三维（3D）数据采集和图像重建方法的真正范式转变。CBCT系统以低剂量提供小视野图像，具有足够的空间分辨率，可用于牙髓病诊断、治疗指导和治疗后评估。CBCT一直是牙髓病领域牙科成像中独立研究水平无与伦比的主题。与传统CT相比，它在较低辐射水平下提供3D成像优势，并有助于治疗伴有外部吸收、根管变异和根尖周炎的牙髓病病例，能准确提供其大小、位置和范围。本文回顾了CBCT的基本原理，并介绍了该成像系统在当代牙髓病实践中的应用。
