Fig. 5From: Guided endodontics: accuracy of access cavity preparation and discrimination of angular and linear deviation on canal accessing ability—an ex vivo studyReceiver Operating Characteristic (ROC) curves of angular deviation (blue), apical linear deviation (green), and coronal linear deviation (yellow). Area under the ROC curve was 0.975 for angular deviation, 0.786 for apical linear deviation, 0.562 for coronal linear deviationBack to article page