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Vol. 37, No. 5, 2003
Issue release date: September–October 2003
Caries Res 2003;37:352–359
(DOI:10.1159/000072167)

Terahertz Pulse Imaging: A Pilot Study of Potential Applications in Dentistry

Crawley D.A. · Longbottom C. · Cole B.E. · Ciesla C.M. · Arnone D. · Wallace V.P. · Pepper M.
aUniversity of Cambridge, Cavendish Laboratory, and bTeraview Ltd., Cambridge Science Park, Cambridge, cUniversity of Dundee, Dundee Dental School, Dundee, UK

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Abstract

The improvement in the detection of caries offers the possibility for dramatic improvement in dental healthcare. Current caries detection rates suggest that there may be scope for improvement. This paper describes a preliminary study to examine applications of terahertz pulse imaging (TPI) to caries detection. We present results for the detection of early stage caries in the occlusal enamel layer of a range of human tooth cross sections using TPI. Higher attenuation of terahertz radiation was observed in carious enamel as compared with healthy enamel. Hypomineralised enamel had different absorption spectra and contrast compared to carious enamel in TPI images. These results have important implications for extending TPI to other medical imaging applications where both early diagnosis and safety issues are important.



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References

  1. Arnone DD, Ciesla CM: Applications of terahertz technology to medical imaging. SPIE Proc 1999;3828:209–219.
  2. Arnone DD, Ciesla C, Pepper M: Terahertz imaging comes into view. Phys World 2000;13:35–40.
  3. Elliott JC, Wong FSL, Anderson P, Davies GR, Dowker SEP: Determination of mineral concentration in dental enamel from X-ray attenuation measurement. Connect Tissue Int 1998;38:61–72.
  4. Hecht E: Optics, ed 3. Boston, Addison Wesley, 1998.
  5. Hu BB, Nuss MC: T-ray imaging. Opt Lett 1995;20:1716–1718.
  6. Jiang Z, Zhang XC: Single-shot spatiotemporal terahertz field imaging. Opt Lett 1998;23:1114–1116.
  7. Markelz AG, Roitberg A, Heilweil EJ: Pulsed terahertz spectroscopy of DNA, bovine serum albumin and collagen between 0.1 and 2.0 THz. Chem Phys Lett 2000;320:42–48.
  8. Mittleman DM, Hunsche S, Boivin L, Nuss MC: T-ray tomography. Opt Lett 1997;22:904–906.
  9. Mittleman DM, Jacobsen RH, Nuss MC: T-ray imaging. IEEE J Selected Topics Quantum Electronics 1996;2:679–692.
  10. Trane L, Jacobsen RH, Uhd Jepsen P, Keiding SR: THz reflection spectroscopy of liquid water. Chem Phys Lett 1995;240:330–333.
  11. Wenzel A: Digital radiography and caries diagnosis. Dentomaxillofac Radiol 1998;27:3–11.
  12. Wu Q, Zhang XC: Free space electrooptic sampling of terahertz beams. Appl Phys Lett 1995;67:3523–3525.


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