This book contains the basic information about biomechanics and recent updates related to biomechanics in clinical orthodontics. As we all know, the basics of orthodontic treatment lies in the clinical application of biomechanics concepts, and understanding these concept is imperative to achieving successful treatment outcomes. This book serves as a handy guide to discuss how the principles of biomechanics can be applied to all orthodontic techniques to improve force delivery in clinical orthodontics.