Technology and principles of cone beam computed tomography

Matthew W. Jacobson

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Scopus citations


This chapter aims to convey a basic technical familiarity with compact Cone Beam Computed tomography (CBCT) systems, which have become prevalent since the late 1990s as enablers of in-office CT imaging of the head and neck. The first section provides a high-level overview of these systems with a discussion of their basic hardware components and their emergence as an alternative to conventional, hospital CT. The second section gives a treatment of imaging basics, including various aspects of how a CT image is derived, manipulated, and evaluated for quality. It describes the image processing software components of compact CBCT systems that go into action once X-ray measurements have been acquired, and provides a short introduction to emerging iterative reconstruction methods and some rudimentary demonstrations. It also discusses several quantitative measures of image quality that are commonly used to assess the performance of a CT device.

Original languageEnglish (US)
Title of host publicationCone Beam Computed Tomography: Oral and Maxillofacial Diagnosis and Applications
PublisherWiley Blackwell
Number of pages22
ISBN (Electronic)9781118769027
ISBN (Print)9780470961407
StatePublished - Oct 25 2013
Externally publishedYes


  • Cone beam computed tomography (CT)
  • Image reconstruction
  • Imaging performance

ASJC Scopus subject areas

  • Dentistry(all)


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