Many researchers have toiled on various indices that have been put forth for describing oral health & diseases. This text book emphasizes and lists out the different indices that are used regularly in screening and treatment of various oral conditions that includes caries, periodontal & gingival diseases, gingival pigmentation, tooth wear & mobility, malocclusion, in a tabulated form. Few of the recent advances on dental indices have also been enumerated in this book which will be really beneficial for new researchers and students.