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Proceedings Paper

Absorption of infrared radiation by human dental hard substances
Author(s): Klaus K.-F. Roth; Edwin W. Duczynski; Hans-Joachim von der Heide; Bert Struve
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Paper Abstract

Absorption spectra of enamel, dentin, synthetic hydroxyapatite and deionized water were taken in the wavelength band 500 to 3000 nm. It could be shown that infrared radiation is mainly absorbed in the aqueous components of dental hard tissues. Because of their decreased water content extinctions measured are slightly lower than those of deionized water. Furthermore, mineral absorptions could be detected in the range of 2760 to 2840 nm with a maximum at 2800 nm in enamel and a smaller one at 2500 nm in dentin.

Paper Details

Date Published: 31 December 1993
PDF: 6 pages
Proc. SPIE 2080, Dental Applications of Lasers, (31 December 1993); doi: 10.1117/12.166184
Show Author Affiliations
Klaus K.-F. Roth, Univ. of Hamburg (Germany)
Edwin W. Duczynski, LTI Lasertec International GmbH (Germany)
Hans-Joachim von der Heide, LTI Lasertec International GmbH (Germany)
Bert Struve, LTI Lasertec International GmbH (Germany)

Published in SPIE Proceedings Vol. 2080:
Dental Applications of Lasers
Gregory B. Altshuler; Raimund Hibst, Editor(s)

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