Method and device for programming a cordless handpiece for root canal treatment

A device for programming a cordless handpiece used for root canal treatment, the handpiece having a first memory and a tool holder for a treatment tool, the device comprising:

• a second memory separate from the first memory of the handpiece, the second memory having a first data volume comprising a plurality of data sets, each of the data sets comprising at least one parameter assigned to the cordless handpiece and/or the operable tool,
• at least one control element operable to select a partial data volume comprising one or more data sets from the first data volume and operable to cause the selected data sets to be transmitted from the second memory to the first memory of the handpiece to update the first memory, thereby allowing operation of the handpiece according to one of the data sets in the updated first memory.