All participants evaluated 80 radiographic images previously acquired in 4 different formats: 1 2 dimensional 2D digital 2D digital , 2 2D digitized hard copy from the Iowa Facial Growth Study American Association of Orthodontists Foundation Craniofacial Growth Legacy Collection , 3 2D digital reconstructed from a 3 dimensional 3D radiograph 2D from 3D , and 4 3D cone beam computerized tomographic 3D CBCT images. ...The highest agreement in CVM staging was obtained on 2D digital lateral cephalograms with training....