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Proceedings Paper

Thermal, ablative, and physicochemical effects of XeCl laser on dentin
Author(s): Jon P. Lee; Eric Mun-Wight Cheung; Petra B. B. Wilder-Smith; T. J. Desai; Lih-Huei L. Liaw; Michael W. Berns; Joseph Neev
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Paper Abstract

Previous studies have reported altered dentinal structure and properties after laser irradiation. It was the aim of this investigation to determine the thermal and ablative effects of XeCl irradiation in dentin and then to investigate microstructural and physicochemical changes in the residual dentin structure. Extracted human molar tooth roots were bisected and coated with acid-resistant varnish, leaving a window. After irradiation of one half at 1 Hz, 15 ns pulse durations, fluences of 0.5 - 2 J/cm2, both halves were subjected to acidified gelatin gel at pH 4.5. The carious lesions were bisected and used to perform SEM and microhardness measurements.

Paper Details

Date Published: 1 May 1995
PDF: 8 pages
Proc. SPIE 2394, Lasers in Dentistry, (1 May 1995); doi: 10.1117/12.207441
Show Author Affiliations
Jon P. Lee, Beckman Laser Institute and Medical Clinic (United States)
Eric Mun-Wight Cheung, Beckman Laser Institute and Medical Clinic (United States)
Petra B. B. Wilder-Smith, Beckman Laser Institute and Medical Clinic (United States)
T. J. Desai, Beckman Laser Institute and Medical Clinic (United States)
Lih-Huei L. Liaw, Beckman Laser Institute and Medical Clinic (United States)
Michael W. Berns, Beckman Laser Institute and Medical Clinic (United States)
Joseph Neev, Beckman Laser Institute and Medical Clinic (United States)


Published in SPIE Proceedings Vol. 2394:
Lasers in Dentistry
Harvey A. Wigdor; John D. B. Featherstone; Joel M. White, Editor(s)

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