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Proceedings Paper

Carbon dioxide laser effects on caries-like lesions of dental enamel
Author(s): John D. B. Featherstone; S. H. Zhang; M. Shariati; Sandra M. McCormack
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Paper Abstract

Previous studies by the authors have shown that carbon dioxide (CO2) laser light has marked effects on dental hard tissues and that these effects are wavelength-dependent. The aim of the present study was to determine whether treatment by CO2 laser of caries-like lesions in human enamel would inhibit subsequent lesion progression. Nine groups of 10 teeth each with preformed caries-like lesions were treated with/without CO2 laser (9.32 micrometers , 15 mJ or 25 mJ per pulse) by a pulsed laser (100-200 nsec) for either 200 or 400 pulses. Preformed lesions were then treated with acidulated phosphate fluoride for 5 minutes with control groups with no fluoride treatment. Teeth were subjected to a subsequent pH cycling challenge to determine the protection against lesion progression. Low energy laser treatment coupled with fluoride treatment entirely inhibited subsequent lesion progression in this model system.

Paper Details

Date Published: 1 May 1991
PDF: 5 pages
Proc. SPIE 1424, Lasers in Orthopedic, Dental, and Veterinary Medicine, (1 May 1991); doi: 10.1117/12.44002
Show Author Affiliations
John D. B. Featherstone, Eastman Dental Ctr. (United States)
S. H. Zhang, Eastman Dental Ctr. (United States)
M. Shariati, Eastman Dental Ctr. (United States)
Sandra M. McCormack, Eastman Dental Ctr. (United States)

Published in SPIE Proceedings Vol. 1424:
Lasers in Orthopedic, Dental, and Veterinary Medicine
Stephen J. O'Brien; Douglas N. Dederich; Harvey Wigdor; Ava Micky Trent, Editor(s)

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