A comprehensive textbook covering the fundamental and advanced aspects of orthodontics, including diagnosis, treatment planning, biomechanics, and the use of orthodontic appliances. The sixth edition introduces new chapters on growth modification techniques for transverse and Class III problems, as well as Class II, open bite, deep bite, and multidimensional issues. The book features evidence-based case studies, illustrations, and photographs to reinforce key concepts and is designed for dental professionals and students.