A RFID (Radio Frequency Identification) reader is installed in the main unit of an ultrasonic scaler, which synchronizes with the antenna installed in the handpiece. Inside of The TIP (Insert or Piezo hand piece) consists of a tag, which uses RFID technology to read, write, and identify the information of the insert or tip. This provides the medical clinicians useful operation assistance, the necessary evidence on when to change to a new insert or tip, and to prevent improper usage of the insert or tip.