Influence of water spray on Er:YAG ablation of hard dental tissues

Boris Majaron; Dusan Sustercic; Matjaz Lukac

doi:10.1117/12.297866

22 December 1997 Influence of water spray on Er:YAG ablation of hard dental tissues

Boris Majaron, Dusan Sustercic, Matjaz Lukac

Proceedings Volume 3192, Medical Applications of Lasers in Dermatology, Ophthalmology, Dentistry, and Endoscopy; (1997) https://doi.org/10.1117/12.297866
Event: BiOS Europe '97, 1997, San Remo, Italy

Abstract

Influence of water-spray cooling on the efficiency of erbium laser ablation of hard dental tissues is investigated experimentally. Consecutive pulses from a dental Er:YAG laser system are applied to dentin and enamel surface in vitro. Depths and diameters of the resulting craters, obtained with and without the use of a pressurized air/water spray, are compared at single-pulse fluences from 10 to 140 J/cm². Similar measurements are performed also with direct drilling of enamel with a fiber tip. The results show that direct interaction of the cooling water with the laser radiation increases the ablation efficiency for enamel, especially in fiber-tip drilling.

Citation Download Citation

Boris Majaron, Dusan Sustercic, and Matjaz Lukac "Influence of water spray on Er:YAG ablation of hard dental tissues", Proc. SPIE 3192, Medical Applications of Lasers in Dermatology, Ophthalmology, Dentistry, and Endoscopy, (22 December 1997); https://doi.org/10.1117/12.297866

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