Facial Diagnosis
摘要
Planning in orthognathic surgery has been and remains an open issue. We have evolved from two-dimensional (2D) classical cephalometric hard-tissue planning to 2D soft-tissue planning and finally to three-dimensional (3D) and hard- and soft-tissue evaluation. No current cephalometric analysis can be used as an absolute road map for facial planning, however. According to our personal “3D Facial Aesthetic Design,” a harmonious face should abide with two rules, which can be summarized as follows: symmetry and facial projection.