Effect of a new carbon dioxide laser treatment on dissolution profiles of dental enamel

John D. B. Featherstone; Charles Q. Le; Daniel Fried

doi:10.1117/12.479755

3 July 2003 Effect of a new carbon dioxide laser treatment on dissolution profiles of dental enamel

John D. B. Featherstone, Charles Q. Le, Daniel Fried

Proceedings Volume 4950, Lasers in Dentistry IX; (2003) https://doi.org/10.1117/12.479755
Event: Biomedical Optics, 2003, San Jose, CA, United States

Abstract

Previous studies have shown that pretreatment of dental enamel by specific carbon dioxide laser conditions inhibited subsequent acid dissolution of the enamel surface. The aim of the present study was to examine the dissolution profiles following irradiation by a new short pulse carbon dioxide laser treatment. Bovine enamel blocks were irradiated at 9.6 μm with a 5-8 μs or a 20-30 μs pulse duration laser using overlapping spots, and a range of fluences. Dissolution profiles were measured in an acetate buffer. Higher fluences produced rapid initial dissolution followed by a plateau with a low dissolution rate. For caries inhibition purposes the high solubility decomposition phases need to be avoided or removed.

Citation Download Citation

John D. B. Featherstone, Charles Q. Le, and Daniel Fried "Effect of a new carbon dioxide laser treatment on dissolution profiles of dental enamel", Proc. SPIE 4950, Lasers in Dentistry IX, (3 July 2003); https://doi.org/10.1117/12.479755

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