Angol
The rotary instruments are the integral part of present endodontic practice. It is gradually replacing the most of traditional hand instruments. Starting from routine root canal treatment to complex endodontic therapies require such instruments for their obvious merits. Science is ever changing subject it discards the older theories and moves toward newer and advancement. Dental practice has no exception from it. History reveals a large number of instruments are made to overcome the demerits of its older generation. Advancement in the development of rotary has revolutionized the endodontic practice.Despite of advancement of various generations of rotary instruments still there is no single rotary system that can cater shaping all canals effectively. Each canal has different anatomy and different files system have different merits demerits. So for choosing appropriate rotary file profound knowledge of their abilities is extremely necessary. This book not merely gives a brief overlook how and why various generations of rotary instrument evolved. It also summarizes the various instruments presently available and situations where which instruments will be more appropriate to use.
