Assessment of dentin remineralization with PS-OCT

Saman K. Manesh; Cynthia L. Darling; Daniel Fried

doi:10.1117/12.816865

18 February 2009 Assessment of dentin remineralization with PS-OCT

Saman K. Manesh, Cynthia L. Darling, Daniel Fried

Proceedings Volume 7162, Lasers in Dentistry XV; 71620W (2009) https://doi.org/10.1117/12.816865
Event: SPIE BiOS, 2009, San Jose, California, United States

Abstract

Previous studies have demonstrated that polarization sensitive optical coherence tomography (PS-OCT) can be used to image natural root caries lesions, measure non-destructively the severity of dentin demineralization and determine the efficacy of intervention with anti-caries agents including fluoride and lasers. The objective of this study was to determine if PS-OCT could be used to nondestructively measure the formation of a layer of remineralized dentin on the surface of dentin lesions after exposure to a remineralization solution. In this study images of artificial dentin lesions on extracted human teeth were acquired using PS-OCT after exposure to an artificial demineralizing solution at pH 4.9 for six days and after subsequent exposure to a remineralizing solution at pH 7.0 for 20 days. Polarized light microscopy and microradiography were used to examine histological thin sections from the samples for comparison. PS-OCT successfully measured the formation of a layer of increased mineral content near the lesion surface. PLM and TMR corroborated those results. This study demonstrates the potential use of PS-OCT for the nondestructive measurement of the remineralization of dentin surfaces.

Citation Download Citation

Saman K. Manesh, Cynthia L. Darling, and Daniel Fried "Assessment of dentin remineralization with PS-OCT", Proc. SPIE 7162, Lasers in Dentistry XV, 71620W (18 February 2009); https://doi.org/10.1117/12.816865

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