Aesthetic expectations have dramatically increased in the last few years amongst people. Color and shade determination are generally considered difficult in dental practice. Most prostheses fail esthetically owing to improper shade selection. A good understanding of color shade guides is essential for precise shade matching, but the paucity of dental practitioners' knowledge of color science because of the numerous available shade guides creates a challenge. This book sheds light on shade selection, different shade guides, and shade matching devices commonly used in dental practice and the problems faced in shade matching in the field of esthetic dentistry.