THIS BOOK ELICITS ABOUT THE COMPONENTS OF ROOT CANAL SYSTEM, THE MORPHOLOGY OF THE PULP CHAMBER, CLASSIFICATION OF ACCESS CAVITY, PREPARATION INSTRUMENTS, ANTERIOR ACCESS CAVITY PREPARATION AND POSTERIOR ACCESS CAVITY PREPARATION. IT GIVES A BRIEF IDEA ABOUT THE ACCESS PREPARATIONS IN ENDODONTOLOGY WHICH WILL BE VERY USEFULL FOR THE BEGINERS TO UNDERSTAND THE TOOTH MORPHOLOGY IN RELATION TO ENDODONTIC ACCESS CAVITY PREPARATION.