The book is specially designed for the BDS students of not only India, Nepal and Bangladesh but also of certain European countries. Students pursuing BSc in Physiology in all major Indian universities too will find this book immensely useful. The information furnished in the text are relevant, up to date and sequentially arranged for imparting better conceptual ability. There is a short preview before each chapter for the students to have a bird?s eye view of the content. Extensive use of flow charts, block diagrams and illustrations will develop crystal clear conception of all the concerned topics. There are plenty of additional information provided in the boxes for the advanced students.