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Proceedings Paper

SEM investigations of the cementum surface after irradiation with a frequency-doubled Alexandrite laser
Author(s): Peter Rechmann; Thomas Hennig
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Paper Abstract

During prior studies it could be demonstrated while engaging a frequency doubled Alexandrite-laser (wavelength 380 nm, pulse duration 100 ns, fluence 1 J/cm2, pulse repetition rate 110 Hz) a fast and strictly selective ablation of supra- and subgingival calculus is possible. Even the removal of unstained microbial plaque was observed. First conclusions were drawn after light microscopical investigations on undecalcified sections of irradiated teeth. In the present study the cementum surface after irradiation with a frequency doubled Alexandrite-laser was observed by means of a Scanning Electron Microscope. After irradiation sections of teeth were dried in alcohol and sputtered with gold. In comparison irradiated cementum surfaces of unerupted operatively removed wisdom teeth and tooth surfaces after the selective removal of calculus were investigated. A complete removal of calculus was observed as well as a remaining smooth surface of irradiated cementum.

Paper Details

Date Published: 23 April 1996
PDF: 5 pages
Proc. SPIE 2672, Lasers in Dentistry II, (23 April 1996); doi: 10.1117/12.238766
Show Author Affiliations
Peter Rechmann, Heinrich Heine Univ. (Germany)
Thomas Hennig, Heinrich Heine Univ. (Germany)


Published in SPIE Proceedings Vol. 2672:
Lasers in Dentistry II
Harvey A. Wigdor; John D. B. Featherstone; Joel M. White; Joseph Neev, Editor(s)

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