Congress Lecture

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The Precision of CBCT

Michael M. Bornstein

This lecture addresses the role of precision in CBCT imaging as currently used in dental and maxillofacial treatment. Use of 3D images is placed in the context of two aspects of precision: repeatability and reproducibility.

Digital dental and maxillofacial imaging in 2D and 3D are compared and contrasted, including the principles of obtaining each image type and the most common sources of errors in linear and volumetric measurements. This lecture also explains the relationship between greyscale values in CBCT images and the Hounsfield units of the anatomic structures being imaged.

A discussion of why precision in imaging is crucial in implant surgery concludes this lecture, with a focus on how imaging errors accumulate to affect the accuracy or precision of guided surgery.

At the end of this Congress Lecture you should be able to...

  • define precision in regard to CBCT
  • describe key aspects of digital dental and maxillofacial imaging using CBCT
  • recognize the relationship between greyscale values and Hounsfield units
  • explain how accumulation of errors when applying 3D radiographic data sets can affect clinical practice, and guided surgery in particular
Duration
27 minutes
Source
ITI World Symposium 2014
CPD/CME
0.45 hours
Purchase price
14 Academy Coins
Publication date: Jan 29, 2015 Last review date: Apr 10, 2018 Next review date: Apr 10, 2021
  • Assessment & Diagnosis
  • CT/CBCT
  • Congress Lecture
  • Diagnostic Tools
  • English
  • Interpreting Diagnostic Data
  • Languages
  • Structured Assessment & Treatment Planning
  • Treatment Planning

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