From its development and first use over a century ago, radiography — the use of x-rays to view internal images in the body — has revolutionized how dentists diagnose and treat patients. Now, a new technology known as Cone Beam Computing Tomography (CBCT) promises to take us “light years” beyond even today's most modern conventional x-ray devices.
X-rays expose images on special film after passing through a mass, like the human body. Because they pass more easily through soft tissues than through hard structures like teeth or bone, the softer tissues will appear darker. This property can reveal even subtle distinctions in density such as might be the case with a fracture or a tooth cavity.
Standard radiography, though, has its limitations. It takes extensive training and experience for a dentist to interpret exactly what they're seeing in an x-ray. Their two-dimensionality (like a photograph) limits the amount of information we can derive from the physical structures being examined. And due to radiation exposure to patients, we must limit the amount of their use for each individual patient.
CBCT improves on those limitations. The device projects a cone-shaped beam of x-rays as it rotates around a patient's head. During this rotation it records hundreds of images that a computer can later digitally format in a variety of ways. The result: instead of a two-dimensional flat view, we can now three-dimensionally view the mouth from a variety of different angles and in greater detail. Best of all, one scan can provide enough imagery data to view in detail the entire skull or a jaw, or something as minute as a single root canal within a tooth.
CBCT is already improving the accuracy of diagnostics and treatment in a variety of dental specialties, including orthodontics, implantation and oral surgery. And properly set, the radiation exposure is no more or less than a full-mouth series of x-rays, and up to ten times less than CT scanning.
Advances like CBCT increase the range and accuracy of diagnostics and improve treatment for a variety of conditions. As they grow in use, the result will be more successful dental outcomes for you and your family.
If you would like more information on CBCT diagnostics, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Getting the Full Picture With Cone Beam Dental Scans.”
Please give us a call at 414-321-2720 and we would be happy to answer any questions you may have.
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