Dose reduction and CBCT accuracy

What is it about?

Cone-Beam Computed Tomography (CBCT) is being used in several aspects of dentistry especially in endodontics. However, the radiation dose to the patients is still one of the main concern in using CBCT. The aim of this study was to reduce the radiation dose to the patients while maintaining good diagnostic accuracy to detect small simulated periapical lesions in human dry mandible.

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Why is it important?

The CBCT scans taken with dose reduction (DR) protocol maintained good diagnostic accuracy and image quality for detecting the presence of small simulated periapical lesions whilst markedly reducing the radiation dose by 54% during the full-arc rotation (360°) and by 51% during the half arc rotation (180°).