Seminars in Orthodontics
Volume 15, Issue 1 , Pages 14-18, March 2009

CBCT Dosimetry: Orthodontic Considerations

  • Sharon L. Brooks

      Affiliations

    • Corresponding Author InformationAddress correspondence to Sharon L. Brooks, DDS, MS, University of Michigan School of Dentistry, Department of Periodontics and Oral Medicine, 1011 N. University Avenue, Ann Arbor, MI 48109-1078. Phone: 734-764-1595; Fax: 734-764-2469

University of Michigan School of Dentistry, Ann Arbor, MI

This article reviews the general principles of radiation biology and dose measurement. Effective doses for typical imaging examinations used in orthodontics include: panoramic, 5.5 to 22 microsieverts (μSv); cephalometric, 2.4 to 6.2 μSv; large field-of-view cone beam CT, 58.9 to 1025.4 μSv. This can be compared with average annual natural background radiation of 3000 μSv/yr. Issues of radiation risk, particularly for children, as well as mechanisms for dose reduction are discussed.

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PII: S1073-8746(08)00064-9

doi:10.1053/j.sodo.2008.09.002

Seminars in Orthodontics
Volume 15, Issue 1 , Pages 14-18, March 2009

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