Engine Driven Canal Modelling: The Basic Skill for the Advanced Case Successful endodontic treatment begins with predictable canal shaping. Mastery of engine-driven nickel–titanium (NiTi) instrumentation is the cornerstone that allows clinicians to safely progress to more complex anatomical and retreatment challenges. Without a biologically respectful and mechanically sound preparation, irrigation, disinfection, and obturation cannot achieve their full potential. This workshop focuses on the principles that govern efficient rotary canal preparation, including glide path management, torque and speed control, metallurgy, and file kinematics. Participants will learn how instrument design influences shaping outcomes, debris removal, and preservation of dentin. Emphasis will be placed on preventing procedural errors such as transportation, ledge formation, and instrument separation. Through systematic protocols, clinical videos, and practical tips, attendees will develop a reproducible approach to engine-driven canal modelling that builds confidence, enhances safety, and forms the platform for managing advanced endodontic cases.