PROBLEM TO BE SOLVED: To acquire the use time of an instrument to record the use time by identifying only the instrument that is currently used.SOLUTION: In a dental medical treatment system 10, a unit 100 for treatment includes drive information extraction means 150 for extracting drive information during using an instrument 110 from a drive circuit 121, management information storage means 190 for storing management information including a cumulative use time of the instrument, a reader-writer 160 for transmitting and receiving information to/from a radio tag T provided in the instrument 110 extracted from a hanger 103, identification body under use discrimination means 165 for discriminating identification information on the instrument 110 under use by information read by the reader-writer 160, management means 180 for calculating the cumulative use time of the instrument 110 from the extracted drive information to store the cumulative use time in the management information storage means 190 for management, and communication means 170 for transmitting and receiving information including the management information to/from an external information processing device through a communication network NW.
