Experimental grounds for YAG:Er laser application to dentistry

E. N. Bol'shakov; Robert A. Dolgikh; Lidiya Ya. Zazulevskaya M.D.; Boris V. Zubov; V. A. Lobachyov; T. M. Murina; Alexander M. Prokhorov

doi:10.1117/12.23751

1 September 1990 Experimental grounds for YAG:Er laser application to dentistry

E. N. Bol'shakov, Robert A. Dolgikh, Lidiya Ya. Zazulevskaya M.D., Boris V. Zubov, V. A. Lobachyov, T. M. Murina, Alexander M. Prokhorov

Author Affiliations +

Proceedings Volume 1353, First International Conference on Lasers and Medicine; (1990) https://doi.org/10.1117/12.23751
Event: First International Conference on Lasers and Medicine, 1990, Tashkent, Uzbekistan

Abstract

Stornatologic service is most popular of all kinds of medical aid, since up to 90% of people suffer from caries, parodontosis holds the second place after such a widespread disease as cardiovascular pathology. The treatment of the tooth hard tissue, intervention into pulp and parodontium using conventional methods are accompanied with painfulness and unpleasant sensation. A lack of efficient methods of anesthesia and pulp devitalization, a high percentage of complica tions after pulpitis treatment made it necessary to search for new methods of treatment which exclude these negative aspects. Application of laser radiation may be one of the ways in resolving this problem. Such attempts have been made repeatedly with the development of laser technology.'3 However, not all of them turned out to be successful. The greatest difficulties occurred on surgical intervention into hard tooth tissue. The best results have been so far attained when using pulsed CO2 laser operated at the wavelength A =1O.61um. For instance, at pulse width 1O1us and frequency 10-20 Hz, the tooth channel drilling was efficient at energy density in pulse P . 10 JIcm2. 4'5 The electron-microscopic investigations have proved the tooth microstructure to be preserved for this laser operation mode. The traces of graphitization were observed only in the vicinity of the lateral walls of the channel.

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E. N. Bol'shakov, Robert A. Dolgikh, Lidiya Ya. Zazulevskaya M.D., Boris V. Zubov, V. A. Lobachyov, T. M. Murina, and Alexander M. Prokhorov "Experimental grounds for YAG:Er laser application to dentistry", Proc. SPIE 1353, First International Conference on Lasers and Medicine, (1 September 1990); https://doi.org/10.1117/12.23751

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