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Proceedings Paper

Influence of multi-wavelength laser irradiation of enamel and dentin surfaces on surface morphology and permeability
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Paper Abstract

UV and IR lasers can be used to specifically target protein, water, and the mineral phase of dental hard tissues to produce varying changes in surface morphology. In this study, we irradiated enamel and dentin surfaces with various combinations of lasers operating at 0.355, 2.94, and 9.4 μm, exposed those surfaces to topical fluoride, and subsequently evaluated the influence of these changes on surface morphology and permeability. Digital microscopy and surface dehydration rate measurements were used to monitor changes in the samples overtime. The surface morphology and permeability (dehydration rate) varied markedly with the different laser treatments on enamel. On dentin, fluoride was most effective in reducing the permeability.

Paper Details

Date Published: 8 February 2017
PDF: 7 pages
Proc. SPIE 10044, Lasers in Dentistry XXIII, 100440H (8 February 2017); doi: 10.1117/12.2256734
Show Author Affiliations
Nai-Yuan N. Chang, Univ. of California, San Francisco (United States)
Jamison Jew, Univ. of California, San Francisco (United States)
Jacob C. Simon, Univ. of California, San Francisco (United States)
Kenneth H. Chan, Univ. of California, San Francisco (United States)
Robert C. Lee, Univ. of California, San Francisco (United States)
William A. Fried, Univ. of California, San Francisco (United States)
Jinny Cho, Univ. of California, San Francisco (United States)
Cynthia L. Darling, Univ. of California, San Francisco (United States)
Daniel Fried, Univ. of California, San Francisco (United States)


Published in SPIE Proceedings Vol. 10044:
Lasers in Dentistry XXIII
Peter Rechmann; Daniel Fried, Editor(s)

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