Er:YAG laser metal and ceramic bracket debonding

Tat'jana Dostálová M.D.; Marek Remeš; Helena Jelínková; Jan Šulc; Michal Němec; David Vyhlídal M.D.

doi:10.1117/12.2212296

29 February 2016 Er:YAG laser metal and ceramic bracket debonding

Tat'jana Dostálová M.D., Marek Remeš, Helena Jelínková, Jan Šulc, Michal Němec, David Vyhlídal M.D.

Proceedings Volume 9692, Lasers in Dentistry XXII; 969208 (2016) https://doi.org/10.1117/12.2212296
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

The goal of the study was investigation of Er:YAG radiation (wavelength 2.94 μm) interaction with various metal and ceramic brackets and adhesive materials. The source of radiation was a free-running Er: YAG laser generating pulses with energy 280 mJ, 250 μs long and repetition rate 6 Hz (mean power 1.7 W). During the treatment lasting 140 s, water cooling was implemented and only the brackets were irradiated. It has been observed that the brackets were removed easily after the Er:YAG laser irradiation, and temperature rise was limited also for metal brackets. SEM investigation has confirmed less damage of enamel in comparison with non-irradiated samples.

Citation Download Citation

Tat'jana Dostálová M.D., Marek Remeš, Helena Jelínková, Jan Šulc, Michal Němec, and David Vyhlídal M.D. "Er:YAG laser metal and ceramic bracket debonding", Proc. SPIE 9692, Lasers in Dentistry XXII, 969208 (29 February 2016); https://doi.org/10.1117/12.2212296

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