The highlight of the edition is the updated KNOW MORE section, which contains the latest additional information about each chapter. A conscious attempt has been made not to disturb the clarity and simplicity of the main text, which had gained immense popularity amongst the students. Besides the add-on, Manual of Clinical Periodontics, an additional supplement on Viva Voce questions has been added, which will enable the students in comprehensive preparation the subject. Also, special emphasis was given to instrumentation, which will instruct the students in their clinical work. While describing all these, the authors have not only mentioned what steps are to be followed but also how to carry out these steps with the help of various illustrations and photographs.