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Cone Beam Computed Tomography In Dentistry 1 of 3

Posted on 10/1/2016 by Manhattan Maxillofacial Surgery Group
January 30, 2013

In light of recent negative attention, we feel that it is necessary to review cone-beam technology and point out the unique advantages it can offer. If used in a controlled and appropriate manner, cone-beam technology offers unparalleled accuracy and precision that is simply impossible to achieve with conventional radiography. As with every new technology, prudent usage and case selection is paramount.

Computed tomography (CT) imaging, also referred to as a computed axial tomography (CAT) scan, involves the use of rotating x-ray equipment combined with a digital computer, to obtain images of the body. Through using CT imaging, cross sectional images of body organs and tissues can be produced. Though there are many other imaging techniques, CT imaging has the unique ability to offer clear images of different types of tissue. CT imaging can provide views of soft tissue, bone, muscle, and blood vessels without sacrificing clarity. Other imaging techniques are much more limited in the types of images they can provide.

Cone Beam Computed Tomography (CBCT) machines have two major differences in comparison to so-called conventional CT scanners. First, CBCT uses a low-energy fixed anode tube, similar to that used in dental panoramic x-ray machines. Second, CBCT machines rotate around the patient only once, capturing the data using a cone-shaped x-ray beam. These changes allow for a less expensive, smaller machine that exposes the patient to approximately 20% of the radiation of a helical CT, equivalent to the exposure from a full-mouth periapical series.

Within the field of dentistry, CBCT technology allows for multiple applications, especially in implant dentistry and oral and maxillofacial surgery.
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Manhattan Maxillofacial Surgery Group
16 E 52nd Street, Suite 1101
New York, NY 10022

Phone: (212) 245-5801
Fax: (646) 607-2957
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