Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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A Handheld Probe Based Optical Coherence Tomography System for Diagnosis of Dental Calculus

치석 진단용 소형 프로브 기반 광간섭단층촬영 시스템

  • Lee, Chang-Ho (School of Electrical Engineering and Computer Science, Kyungpook National University) ;
  • Woo, Chai-Kyoung (EQ Med Co., Ltd.) ;
  • Jung, Woong-Gyu (School of Nano-Bioscience and Chemical Engineering, Ulsan National Institute of Science and Technology) ;
  • Kang, Hyun-Wook (E10-215, Biomeical Engineering Department, Pukyong National University) ;
  • Oh, Jung-Hwan (E10-215, Biomeical Engineering Department, Pukyong National University) ;
  • Kim, Jee-Hyun (School of Electrical Engineering and Computer Science, Kyungpook National University)
  • 이창호 (경북대학교 전자전기컴퓨터공학부) ;
  • 우채경 (이큐메드(주)) ;
  • 정웅규 (울산과학기술대학교 나노생명화학공학부) ;
  • 강현욱 (부경대학교 의공학과) ;
  • 오정환 (부경대학교 의공학과) ;
  • 김지현 (경북대학교 전자전기컴퓨터공학부)
  • Received : 2012.03.04
  • Accepted : 2012.05.15
  • Published : 2012.05.31
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Abstract

Optical coherence tomography(OCT) is a noninvasive optical imaging tool for biomedical applications. OCT can provide depth resolved two/three dimensional morphological images on biological samples. In this paper, we integrated an OCT system that was composed of an SLED(Superluminescent Light Emitting Diode, ${\lambda}_0$=1305 nm bandwith= 141 nm), a reference arm adopting a rapid scanning optical delay line(RSOD) to get high speed imaging, and a sample arm that used a micro electro mechanical systems(MEMS) scanning mirror. The sample arm contained a compact probe for imaging dental structures. The performance of the system was evaluated by imaging in-vivo human teeth with dental calculus, and the results indicated distinct appearance of dental calculus from enamel, gum or decayed teeth. The developed probe and system could successfully confirm the presence of dental calculus with a very high spatial resolution($6{\mu}m$).

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References

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