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Proceedings Paper

Comparison of Er:YAG and Er:YSGG laser ablation of dental hard tissues
Author(s): Karl Stock; Raimund Hibst; Ulrich Keller
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Paper Abstract

To compare ablation quality of Er:YAG and Er:YSGG laser the surface quality, crater shape, mass loss, and temperature development were determined using the same fiber transmission system and handpiece. Similar crater depths for both lasers but greater diameters for the Er:YAG laser were measured. Also mass loss per pulse of the Er:YAG laser exceeds that of the Er:YSGG laser. Temperature development while ablation of dentin is more pronounced for the Er:YSGG laser. The observed minor ablation quality of the Er:YSGG laser can be explained by the lower absorption coefficient of dental hard substances compared to the Er:YAG laser.

Paper Details

Date Published: 22 December 1997
PDF: 8 pages
Proc. SPIE 3192, Medical Applications of Lasers in Dermatology, Ophthalmology, Dentistry, and Endoscopy, (22 December 1997); doi: 10.1117/12.297864
Show Author Affiliations
Karl Stock, Institut fuer Lasertechnologien in der Medizin und Messtechnik an der Univ. Ulm (Germany)
Raimund Hibst, Institut fuer Lasertechnologien in der Medizin und Messtechnik an der Univ. Ulm (Germany)
Ulrich Keller, Univ. Ulm Dental School (Germany)


Published in SPIE Proceedings Vol. 3192:
Medical Applications of Lasers in Dermatology, Ophthalmology, Dentistry, and Endoscopy
Gregory B. Altshuler; Reginald Birngruber; Marco Dal Fante; Raimund Hibst; Herbert Hoenigsmann; Neville Krasner; Frederic Laffitte, Editor(s)

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