Clinical Applications of 3D Virtual Treatment Planning of Orthognathic Surgery

Abstract

Patient V.E.W. is a 16-year-old girl with a Class II/I long-face maxillofacial deformity due to a vertical maxillary excess (VME). In the frontal view, she is clinically not presenting any obvious facial asymmetries. In rest, she has an incisal display of 8 mm, while during spontaneous smiling, she has full incisal exposure with 4 mm gingival display at incisal level. In the profile view, she presents a dorsal nasal hump, a limited vermilion exposure, a significant lip incompetence, an atonic lower lip and a retruded mandible with poor chin definition. She has an Angle Class II malocclusion with adequate transversal relationship and a 1.5 mm lower dental midline deviation to the right. There is no history of TMJ dysfunction neither pain.