BU Dental Radiology Practice Exam

CBCT stands for?

Cone beam computed tomography Cone beam digital tomography Cone beam computerized tomography Cone beam imaging tomography

Correct Answer:

Cone beam computerized tomography

Explanation:

Cone beam computed tomography uses a cone-shaped X-ray beam and a flat-panel detector that rotate around the patient to collect many projection images, which are then reconstructed by computational algorithms to form a three-dimensional volume. The term “computed” reflects this math-based reconstruction that turns multiple 2D views into 3D data. This approach provides isotropic voxels and multiplanar reformats, making it especially useful in dentistry for evaluating teeth, roots, bone structure, and pathologies in a detailed, spatially accurate way. The phrasing “computerized tomography” is not the standard dental radiology term; the established expansion is cone beam computed tomography.

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