Esthetics plays an important role in the life of each and every individual at some point of life which needs to be addressed with utmost significance as facial profile forms an integral part of it. Orthodontic treatment has long been synonymous to a mouth full of "unattractive" wires. Introduction of clear aligners thus came as a respite to the orthodontic patient, for their esthetic superiority made them more attractive to metal and ceramic brackets. This book gives an insight on clear aligners.