PROBLEM TO BE SOLVED: To provide a probe 200 for side arm detection capable of detecting a state of a side arm by only inserting the probe to a root apex.SOLUTION: A probe 200 for side arm detection is a probe for detecting presence/absence of a side arm and a position of the side arm in a root canal shaft direction after being inserted into a root canal of a tooth, and comprises a plurality of measuring electrodes 220 provided on different positions and extended in a root canal shaft direction Y at a prescribed interval, the measuring electrode 220 is covered with an insulator 223 except for one end part, and the other end parts of the electrodes are a measuring terminal group 227 which can be connected to a detection power supply on the detection device side.SELECTED DRAWING: Figure 7COPYRIGHT: (C)2019,JPO&INPIT
