How to reach the endodontic succes by controlling difficult cases in daily practice. The presentation will cover the use of modern endodontic instruments and devices in order to manage difficult cases in the daily endodontic practice. Is the reciprocating movement able to improve the safety and efficiency of root canal instrumentation in cases with obliterated or severly curved root canals? Can modern devices and instruments be easily implemented in the daily endodontic treatment? Showing and discussing a wide range of clinical cases the lecture will highlight aspects like microscope or CBCT aided diagnostic procedures, the use of reciprocating instruments, the efficiency of the sonic activation of the root canal irrigant or aspects regarding the orthograde retreatment. The lecture will highlight the armamentarium and techniques and show to the audience how to push the limits of modern endodontic treatment in their daily practice.