Tooth whitening is a common procedure in general dentistry but most especially in the field of cosmetic dentistry. Dentists do this procedure every day without concerning about the components that have the whitening agents or without knowing about all the different effects these products could make. That's why this book aims to show dentists whitening products with different compositions currently used and show how these products may get affect dental tissues and increase the effects with the combination products sensitizaers, all the data showed in this book is demonstrated in several scientific research studies.