A radio frequency identification implanted in a tooth can communicate with the outside world

Hiroshi Ishihata, Takeshi Tomoe, Kotaroh Takei, Tadahiko Hirano, Kazuo Yoshida, Shigeru Shoji, Hidetoshi Shimauchi, Hiroshi Horiuchi

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

A radio frequency identification (RFID) transponder covering the 13.56 MHz band was adapted to minimize its volume so that it could be placed in the pulp chamber of an endodontically treated human tooth. The minimized transponder had a maximum communication distance of 30 mm. In an animal experiment, the transponder was fixed in the cavity of a mandibular canine of a dog. An RFID reader positioned close to the dog's face could communicate with the transponder in the dog's tooth. In certain cases, the system is applicable for the personal identification procedures for hospitalized patients instead of an identification wristband.

Original languageEnglish
Pages (from-to)683-685
Number of pages3
JournalIEEE Transactions on Information Technology in Biomedicine
Volume11
Issue number6
DOIs
Publication statusPublished - 2007 Nov
Externally publishedYes

Keywords

  • Dental treatment
  • Endodontics
  • Identification (RFID)
  • Inpatient
  • Mobile phone
  • Radio frequency

ASJC Scopus subject areas

  • Biotechnology
  • Computer Science Applications
  • Electrical and Electronic Engineering

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