Single visit management of false route in tooth #22. Red arrow indicates false route made by general dentist. Left RVG is initial one made in my office. Green arrow shows where exactly canal lumen is. Canal prepared to size 30.04 (Endostar five) and then apical part enlarged to seize 40.02 (NiTi Two rotary system). Citric acid, hypo, again citric acid, destilated water and CHX as a final irrigant. Note apical delta after CWO.