OCT monitoring of diffusion of water and glycerol through tooth dentine in different geometry of wetting

N. A. Trunina; V. V Lychagov; V. V Tuchin

doi:10.1117/12.848585

25 February 2010 OCT monitoring of diffusion of water and glycerol through tooth dentine in different geometry of wetting

N. A. Trunina, V. V Lychagov, V. V Tuchin

Author Affiliations +

Proceedings Volume 7563, Dynamics and Fluctuations in Biomedical Photonics VII; 75630U (2010) https://doi.org/10.1117/12.848585
Event: SPIE BiOS, 2010, San Francisco, California, United States

Abstract

In our previous work optical coherence tomography (OCT) has been proved to be a useful tool for monitoring of diffusion of chemical agents (water, glycerol) within human tooth dentine. Such diffusion studies are interesting for tooth therapy (diffusion of medicinal preparations) and cosmetics (chemical whitening agents). Here we compare different wetting schemes in which the sample is either merged in the liquid agent so that the probe beam is to pass through a layer of liquid, or subjected to wetting through a special window from the back side. In spite of certain difference revealed, the order of magnitude of the diffusion time constant and the permeability coefficient are shown to be the same in both cases.

Citation Download Citation

N. A. Trunina, V. V Lychagov, and V. V Tuchin "OCT monitoring of diffusion of water and glycerol through tooth dentine in different geometry of wetting", Proc. SPIE 7563, Dynamics and Fluctuations in Biomedical Photonics VII, 75630U (25 February 2010); https://doi.org/10.1117/12.848585

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