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Can Dental Cone Beam Computed Tomography Assess Bone Mineral Density?

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Fig. 3. X-ray beam projection scheme comparing acquisition geome- geome-try of conventional or “fan” beam (right) and “cone” beam (left)  imag-ing geometry and resultant image production
Fig. 4. (A) Strong positive correlations in the calibration curves of gray values for (B) phantoms of bone materials (hydroxyapatite) with 3 different  densities (1,000, 1,250, and 1,750 mg/cm 3 ) scanned using 3 different resolutions (200, 300, and 400 µm

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