Nondestructive monitoring of the repair of natural occlusal lesions using cross polarization optical coherence tomography

Hobin Kang; Cynthia L. Darling; Daniel Fried

doi:10.1117/12.914636

8 February 2012 Nondestructive monitoring of the repair of natural occlusal lesions using cross polarization optical coherence tomography

Hobin Kang, Cynthia L. Darling, Daniel Fried

Author Affiliations +

Proceedings Volume 8208, Lasers in Dentistry XVIII; 82080X (2012) https://doi.org/10.1117/12.914636
Event: SPIE BiOS, 2012, San Francisco, California, United States

Abstract

Previous remineralization studies employing cross polarization sensitive optical coherence tomography (CP-OCT), have been limited to the repair of artificial enamel-like lesions. In this study we attempted to remineralize existing occlusal lesions on extracted teeth. Lesions were imaged before and after exposure to an acidic remineralization regimen and the integrated reflectivity and lesion depth was calculated. Automated integration routines worked well for assessing the integrated reflectivity for the lesion areas after remineralization. Polarized light microscopy was also used to examine the lesions areas after sectioning the teeth. An acidic remineralization solution was used to remineralize the lesions. The integrated reflectivity significantly increased after exposure to the remineralization solution which suggests that the acidic solution caused additional demineralization as opposed to the desired remineralization.

Citation Download Citation

Hobin Kang, Cynthia L. Darling, and Daniel Fried "Nondestructive monitoring of the repair of natural occlusal lesions using cross polarization optical coherence tomography", Proc. SPIE 8208, Lasers in Dentistry XVIII, 82080X (8 February 2012); https://doi.org/10.1117/12.914636

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