" If there is a defect on the soul, it cannot be corrected on the face, but if there is a defect on the face and one corrects it, it can correct a soul. " - Jean CocteauOrthodontics is the branch of dentistry that specializes in the diagnosis, prevention, and treatment of dental and facial irregularities. It is a constantly evolving field, with new technologies and techniques emerging every year. 'Advances in Orthodontics' is a comprehensive guide to the latest developments in the field of orthodontics and dentofacial Orthopedics. Diagnosis in orthodontics requires the collection of an adequate data base of information about the patient and the distillation from that data base of a comprehensive but clearly stated list of thepatient's problem. This book covers a broad range of topics from various types of Dental imaging, orthognathic advances to Finite element method.