3D imaging Anatomic Landmarks Child Child, Preschool Cone-Beam Computed Tomography Extraoral Traction Appliances Female Humans Image Processing, Computer-Assisted Imaging, Three-Dimensional Male Malocclusion, Angle Class III Maxilla Orthodontic Appliance Design Orthopedics Palatal Expansion Technique Prospective Studies Tooth Movement Techniques anatomic landmark anatomy and histology child class III malocclusion cone beam computed tomography dentofacial orthopedics diagnostic imaging female human image processing male malocclusion