Cone Beam Computed Tomography (CBCT) in TMJ Imaging

  • Ingrid Różyło-KalinowskaEmail author


In cone beam computed tomography (CBCT), an X-ray beam in the form of a cone (hence the name) is applied, and during the scan, a certain volume is imaged, which is used to retrieve sectional images in different planes. Advantages of CBCT include high-resolution cross-sectional imaging of bone structures; relatively low patient exposure dose; high and growing availability of CBCT machines for dentists; relatively low cost of facilities, equipment, and examination itself when compared with CT; and relatively high diagnostic accuracy for TMJ bone changes. Disadvantages of CBCT include lower image contrast than in CT, higher image noise than in CT, and no precise estimation of Hounsfield units; thus still no reliable evaluation of soft tissues, image artifacts, and limited reliability for TMJ bone changes. Applications of CBCT in diagnostics of TMJs include evaluation of TMJ anatomy, evaluation of condylar position in malocclusion, developmental anomalies, osteoarthritis diagnosis and follow-up of rheumatoid arthritis and juvenile idiopathic arthritis, and assessment of internal derangement, also in conjunction with MRI, condylar fractures, ankyloses, cysts and tumors, and image-guided puncture.


Cone beam computed tomography CBCT TMJ 


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Independent Unit of Propaedeutics of Dentomaxillofacial RadiologyMedical University of LublinLublinPoland

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