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Many structures layered in vertical dimension. The condyle and dentoalveolar areas of the posteroanterior (PA) cephalograms interfere with the artificial intelligence image recognition ability. A, Cone-beam computed tomography-synthesized PA cephalogram. B, Vertical layered images at the intersection of the nasal septum and palatal area (white arrow) and vertical layered and horizontal superimposed images in the dental area. C, D, Vertical layered images in the condyle area.
