Laser brackets debonding: Tm:YAP, Nd:YAG, and GaAs diode lasers evaluation

Tat'jana Dostálová; Helena Jelínková; Jan Šulc; Petr Koranda; Michal Němec; Ilja Ivanov; Mitsunobu Miyagi; Katsumasa Iwai

doi:10.1117/12.808137

23 February 2009 Laser brackets debonding: Tm:YAP, Nd:YAG, and GaAs diode lasers evaluation

Tat'jana Dostálová, Helena Jelínková, Jan Šulc, Petr Koranda, Michal Němec, Ilja Ivanov, Mitsunobu Miyagi, Katsumasa Iwai

Author Affiliations +

Proceedings Volume 7162, Lasers in Dentistry XV; 71620C (2009) https://doi.org/10.1117/12.808137
Event: SPIE BiOS, 2009, San Jose, California, United States

Abstract

The study demonstrates the possibility of using laser radiation for the ceramic bracket removing. Three laser radiations were examined for this effect and the removing possibility and velocity together with enamel and root damage were investigated. A diode pumped Tm:YAP microchip laser generating a wavelength 1.9 μm, diode pumped Nd:YAG laser with 1.44 μm wavelength, GaAs diode with 0.808 μm were used for the debonding purpose. The measurement of transmission and absorption of the basic element - bracket, adhesive resin, and enamel was also made with the goal to explain the source of the heat and bracket debonding. The explanation of the debonding effect is also presented. From the results it is possible to conclude that continuously running diode pumped microchip Tm:YAP laser having output power 1W can be a good candidate for ceramic bracket debonding procedure.

Citation Download Citation

Tat'jana Dostálová, Helena Jelínková, Jan Šulc, Petr Koranda, Michal Němec, Ilja Ivanov, Mitsunobu Miyagi, and Katsumasa Iwai "Laser brackets debonding: Tm:YAP, Nd:YAG, and GaAs diode lasers evaluation", Proc. SPIE 7162, Lasers in Dentistry XV, 71620C (23 February 2009); https://doi.org/10.1117/12.808137

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