Abstract: An intra-oral tracking device adapted for use in association with a tooth having a buccal surface and a lingual surface, the apparatus comprises a tooth mounting member having an inner surface and an outer surface, the inner surface including adhesive material; a remote transmitter-receiver assembly including means to transmit and receive electronic signals, the transmitter-receiver being affixed to the outer surface of the tooth mounting member, the remote transmitter-receiver assembly positioned adjacent to the buccal surface of the tooth; and a base transmitter-receiver device including means to transmit and receive electronic signals, the device including a transmission button and a display screen, in an operative orientation a user depressing the transmission button of the base transmitter-receiver device to activate the remote transmitter-receiver, activation of the remote transmitter-receiver device causing the transmission of electrical signals for receipt by the base transmitter-receiver device, the