Mastering Bds Is mostly used by students of third year as its has many questions and explained well. Even questions are well detail explained with pictures and diagrams. I used jyostna rao during my 1-2nd yr and third year jyostna rao content is very less so wont recommend it... This will be a quick revise before exams... I bought it for studying oral path mainly... Other med and surgery ghom and shenoy and easy and neatly Explained