Adolescent Angle Class II malocclusion Case-Control Studies Central skull base Child Computed tomography Cone-Beam Computed Tomography Cranial Fossa, Middle Humans Imaging, Three-Dimensional Malocclusion, Angle Class II Middle cranial fossa Orthodontic Appliances, Functional Skull Base Three-dimensional imaging adolescent adverse device effect anatomy and histology case control study child cone beam computed tomography diagnostic imaging functional orthodontic appliance human malocclusion middle cranial fossa pathology skull base three dimensional imaging