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Proceedings Paper

Three-frequency Nd:YAG laser for dental treatment
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Paper Abstract

In the last decade, lasers found a number of indications in dentistry. However, there is still one problem: the narrow spectrum of usefulness for individual radiation wavelengths. The aim of our study is to demonstrate the use of a compact three-frequency pulsed Nd-YAG laser for more than one treatment, namely disinfection, coagulation, selective ablation, and soft tissue removal. The laser wavelengths and the maximal energies achieved were the following: 1.06 um, 1.32 um, 1.44 um and 830 mJ, 425 mJ, and 200 mJ, respectively. It has been found that all of the investigated wavelengths exhibit disinfection properties. Moreover, radiation of 1.06 um wavelength removes soft tissue and exhibits also coagulation properties. Radiation of 1.44 um is most useful for selective ablation of initial caries and disinfection, and 1.32 um radiation can be used for precise ablation when higher energy is applied.

Paper Details

Date Published: 8 February 2018
PDF: 5 pages
Proc. SPIE 10473, Lasers in Dentistry XXIV, 104730G (8 February 2018); doi: 10.1117/12.2289780
Show Author Affiliations
Martina Kadlecová, Charles Univ. (Czech Republic)
Univ. Hospital in Motol (Czech Republic)
Tat'jana Dostálová, Charles Univ. (Czech Republic)
Univ. Hospital in Motol (Czech Republic)
Helena Jelínková, Czech Technical Univ. in Prague (Czech Republic)
Michal Němec, Czech Technical Univ. in Prague (Czech Republic)
Jan Šulc, Czech Technical Univ. in Prague (Czech Republic)
Martin Fibrich, Czech Technical Univ. in Prague (Czech Republic)
Pavel Bradna, Charles Univ. (Czech Republic)
Univ. Hospital in Motol (Czech Republic)
Karel Nejezchleb, Crytur Ltd. (Czech Republic)
Nickalai Kapitch, Crytur Ltd. (Czech Republic)
Václav Škoda, Crytur Ltd. (Czech Republic)


Published in SPIE Proceedings Vol. 10473:
Lasers in Dentistry XXIV
Peter Rechmann; Daniel Fried, Editor(s)

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