Abstract text

An apparatus and method for tracking a subject comprises an RFID chip attached to a tooth of the subject and a transceiver in at least periodic communication with the RFID chip. The RFID chip is attached to a buccal surface of the tooth by dental adhesive or is attached to the tooth by disposition within a cavity defined in the tooth. The apparatus further comprises a tracking system coupled to the transceiver to generate a warning alarm, when the subject goes beyond the specified radius.