Evidence-based guidelines for cone beam CT for dental and maxillofacial radiology

shutterstock_63657280 - Panoramic x-ray machine

Last year evidence-based guidelines for cone beam CT  (CBCT) were published as part of the SEDENTEXCT project.  The guideline is an extensive document that covers many aspect of this developing area.  The guideline is based on an extensive review of the available literature and the following categories were considered:-

  • Radiation dose and risk
  • Justification for referral
  • Equipment factors in the reduction of radiation risk to patients
  • Quality standards/assurance
  • Staff protection
  • Economic evaluation
  • CBCT uses

The guidelines makes over 50 recommendations covering

  • Guideline development
  • Justification and referral criteria
  • CBCT equipment factors in the reduction of radiation risk to Patients
  • Quality standards and quality assurance
  • Staff protection
  • Economic evaluation
  • Training

The guideline also make recommendations about research priorities.


With the increasing availability of CBCT machines it is important that those using or considering using these machines are fully aware of these guidelines. The guidelines update the previous version published in 2009.






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Derek Richards

Derek Richards is a specialist in dental public health, Director of the Centre for Evidence-Based Dentistry and Specialist Advisor to the Scottish Dental Clinical Effectiveness Programme (SDCEP) Development Team. A former editor of the Evidence-Based Dentistry Journal and chief blogger for the Dental Elf website until December 2023. Derek has been involved with a wide range of evidence-based initiatives both nationally and internationally since 1994. Derek retired from the NHS in 2019 remaining as a part-time senior lecturer at Dundee Dental School until the end of 2023.

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