9 functions within 1 device EndoEst-Assistant: 1. Endomotor with integrated apexlocator and system of automatic delivery of working files; 2. Autonomous apexlocator; 3. Root filler; 4. High-speed endomotor for root canal preparation with SAF-files; 5. Thermoplugger for obturation; 6. Lamp for transillumination; 7. Lamp for polymerization; 8. Lamp for oral photo disinfection; 9. Negatoscope Advantages of the system: 1. Realization of practically the whole line of endodontic instruments within the single device 2. Autonomous reconfiguration of the system into device corresponding to the connected working handpiece 3. Possibility of permanent functional increasing at the expense of additional working handpieces purchasing 4. Operational program update through Internet 5. Large library of endodontic NiTi systems from leading firms-manufacturers 6. Autonomous power supply from Li-Ion accumulators with large capacity 7. Bright color display 8. Minimal quantity of wires and space-saving size