Thermal, ablative, and physicochemical effects of XeCl laser on dentin

Jon P. Lee; Eric Mun-Wight Cheung; Petra B. B. Wilder-Smith; T. J. Desai; Lih-Huei L. Liaw; Michael W. Berns; Joseph Neev

doi:10.1117/12.207441

1 May 1995 Thermal, ablative, and physicochemical effects of XeCl laser on dentin

Jon P. Lee, Eric Mun-Wight Cheung, Petra B. B. Wilder-Smith, T. J. Desai, Lih-Huei L. Liaw, Michael W. Berns, Joseph Neev

Author Affiliations +

Proceedings Volume 2394, Lasers in Dentistry; (1995) https://doi.org/10.1117/12.207441
Event: Photonics West '95, 1995, San Jose, CA, United States

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.

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Jon P. Lee, Eric Mun-Wight Cheung, Petra B. B. Wilder-Smith, T. J. Desai, Lih-Huei L. Liaw, Michael W. Berns, and Joseph Neev "Thermal, ablative, and physicochemical effects of XeCl laser on dentin", Proc. SPIE 2394, Lasers in Dentistry, (1 May 1995); https://doi.org/10.1117/12.207441

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