Provides didactic and clinical orthodontic information covering current research findings about malocclusion and treatment. Methods of treatment are illustrated through case studies, cephalometric tracings and study models. New information on etiology of orthodontic problems, both genetic and functional is included. Legal aspects of informed consent in treatment planning is explored. Also new to this edition is coverage of new ceramic brackets, light-cured bonding materials, plastic wires and functional appliances are discussed in relation to long face/short face and asymmetry problems in children.