Monitoring the inhibition of erosion by a CO2 laser with OCT

Kenneth H. Chan; Henry Tom; Daniel Fried

doi:10.1117/12.2045679

18 February 2014 Monitoring the inhibition of erosion by a CO₂ laser with OCT

Kenneth H. Chan, Henry Tom, Daniel Fried

Author Affiliations +

Proceedings Volume 8929, Lasers in Dentistry XX; 89290F (2014) https://doi.org/10.1117/12.2045679
Event: SPIE BiOS, 2014, San Francisco, California, United States

Abstract

Since optical coherence tomography (OCT) is well suited for measuring small dimensional changes on tooth surfaces, OCT has great potential for monitoring tooth erosion. Previous studies have shown that enamel areas ablated by a carbon dioxide laser manifested lower rates of erosion compared to the nonablated areas. The purpose of this study was to develop a model to monitor erosion in vitro that could potentially be used in vivo. Teeth surfaces were irradiated with a carbon dioxide laser at low sub-ablative fluence to create an acid-resistant reference layer without damaging the enamel. The laser treated areas were compared with the unprotected areas using OCT during exposure to a pH cycling model for up to 6 days. The laser treated areas markedly reduced the rate of erosion.

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Kenneth H. Chan, Henry Tom, and Daniel Fried "Monitoring the inhibition of erosion by a CO₂ laser with OCT", Proc. SPIE 8929, Lasers in Dentistry XX, 89290F (18 February 2014); https://doi.org/10.1117/12.2045679

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