Through this book reader can know about the basics of lingual orthodontics its history, appliance design, patient selection, techniques of bracket placement, mechanotherapy, and its recent advances Lingual orthodontics, apart from offering the aesthetic benefit, also provides several mechanical advantages over conventional labial mechanics, such as active intrusive forces on the anterior dentition, more bodily movement of the tooth and less distal tipping during molar distalization and remarkable dentoalveolar expansion. Since its inception in the 1970s, great advances have been made in this modality.