Cone-Beam Computed Tomography Humans Imaging, Three-Dimensional Three-dimensional treatment evaluation anatomy and histology cone beam computed tomography diagnostic imaging human palate three dimensional imaging Anatomic Landmarks Article Cephalometry Dental Casting Technique Descriptive three-dimensional superimposition Digital cast model Facial Bones Female Male Observer Variation Orthodontics, Corrective Palatal Expansion Technique Palate Semi-automated landmarks Skull Skull Base Three-dimensional reference system Three-dimensional superimposition adult anatomic landmark