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International Journal of Implant Dentistry
Fig. 3 | International Journal of Implant Dentistry

Fig. 3

From: The impact of teeth and dental restorations on gray value distribution in cone-beam computer tomography: a pilot study

Fig. 3

Example histograms for manual and automated lower threshold selection in the complete CBCT and ROI, edentulous mandible. Showing the total spectrum of the gray values in CBCT in manual lower threshold selection (a) and the limited spectrum of gray values from -500 to 1250 in automated threshold selection in complete CBCT (b) and ROI (c). Selected threshold for each procedure is marked

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