This books aims to present with a holistic approach the fundamentals of Orthofacial Surgery which can be described as aesthetic and functional surgery of the facial skeleton and mask. A new paradigm in facial diagnosis, 3D planning and surgical management has been developed by the authors, and will be presented in a comprehensive way. Different sections will ilustrate the editor's philosophy in defining the fundamentals of facial harmony. Several chapters will be devoted to specific treatment of different facial problems. The book promises to become a powerful tool for professional oral and maxillofacial surgeons and other practitioners in the field of aesthetic and functional orthofacial surgery.