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Proceedings Paper

Repair of artificial lesions using an acidic remineralization model monitored with cross-polarization optical coherence tomography
Author(s): Hobin Kang; Cynthia L. Darling; Daniel Fried
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Paper Abstract

It is difficult to completely remineralize carious lesions because diffusion into the interior of the lesion is inhibited as new mineral is deposited in the outermost layers. In previous remineralization studies employing polarization sensitive optical coherence tomography (PS-OCT), two models of remineralization were employed and in both models there was preferential deposition of mineral in the outer most layer. In this study we attempted to remineralize the entire lesion using an acidic remineralization model and demonstrate that this remineralization can be monitored using PS-OCT. Artificial lesions approximately 100-150 μm in-depth were exposed to an acidic remineralization regimen and the integrated reflectivity from the lesions was measured before and after remineralization. Automated integration routines worked well for assessing the integrated reflectivity for the lesion areas after remineralization. Although there was a higher degree of remineralization, there was still incomplete remineralization of the body of the lesion.

Paper Details

Date Published: 17 February 2011
PDF: 7 pages
Proc. SPIE 7884, Lasers in Dentistry XVII, 78840Q (17 February 2011); doi: 10.1117/12.878889
Show Author Affiliations
Hobin Kang, 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. 7884:
Lasers in Dentistry XVII
Peter Rechmann D.D.S.; Daniel Fried, Editor(s)

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