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Online ISSN 1827-174X
Gurtu A. 1, Aggarwal A. 2, Mohan S. 1, Singhal A. 1, Bansal R. 1, Agnihotri K. 1
1 Department of Conservative Dentistry and Endodontics, Institute of Dental Sciences, Bareilly (UP), India;
2 Department of Oral Medicine and Radiology, Institute of Dental Sciences, Bareilly (UP), India
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.