Endodontic treatment in children have always been an essential yet challenging procedure for Pediatric dentists. The world of Endodontics has changed with the introduction of Nickel-Titanium. Incorporation of Rotary Instruments for management of Primary teeth helps the clinician to achieve good chemomechanical preparation and excellent root canal filling with minimum procedural error. However, thorough understanding of the Instrument Design along with its handling properties is essential in order to achieve maximum clinical success. Newer file systems are being introduced to the market every passing day. It is essential for the clinician to have a thorough understanding of these instruments in order to select an instrument which best suits the need of each case. This Book aims to provide a 360 degree understanding regarding the utilization of Rotary Instruments in Pediatric Dental Practice in order to provide a hassle free endodontic care to our tiny patients.