Tooth whitening once a luxury procedure for the privileged few has now become a cornerstone of aesthetic dentistry. With evolving technologies increasing patient awareness and a societal shift toward cosmetic self improvement teeth bleaching has emerged as one of the most requested dental treatments worldwide. This book provides a comprehensive review of the principles procedures used in tooth bleaching while also exploring the evolving landscape of research and future directions. It is designed to serve as a reference for dental students practitioners researchers and academicians who wish to deepen their understanding of dental bleaching and anticipate what lies ahead in the field.