Rotary files are specialized endodontic instruments that shape and clean root canals during endodontic therapy. These files enhance the efficiency and success rates of treatments for young patients. Rotary files have revolutionized pediatric endodontics by making procedures faster, more efficient, and more reliable. Rotary files can greatly enhance the outcomes of endodontic treatments in young patients, contributing to better oral health and reduced treatment time. Hence, this book describes adult and exclusive pediatric rotary files used in pediatric dentistry.