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Measurements of erbium laser-ablation efficiency in hard dental tissues under different water cooling conditions
Abstract. Laser triangulation measurements of Er:YAG and Er,Cr:YSGG laser-ablated volumes in hard dental tissues are made, in order to verify the possible existence of a “hydrokinetic” effect thatExpand
REVIEW Comparison of Er:YAG and Er,Cr:YSGG lasers used in dentistry
Erbium-doped solid-state laser systems have become an established tool in dentistry. The two most commonly used Erbium lasers in dentistry are Er:YAG and Er,Cr:YSGG, with a subtle but importantExpand
A study of blast waveforms detected simultaneously by a microphone and a laser probe during laser ablation
We examine blast waves generated in air during irradiation of absorbing samples with Nd: YAG laser pulses of fluences exceeding the ablation threshold. Blast waves were detected simultaneously by aExpand
Triangulation model taking into account light sheet curvature
This paper examines the problem of systematic measurement errors in optical triangulation when some light sheets that illuminate the measured surface exhibit non-negligible bending (curvature). TheExpand
Rapid and flexible laser marking and engraving of tilted and curved surfaces
We present a novel method for rapid and flexible laser marking and engraving of tilted, curved and freeform work-piece surfaces, based on integrating a three-dimensional (3D) laser measurement system into a 3D laser marking system. Expand
Laser Profilometry for the Characterization of Craters Produced in Hard Dental Tissues by Er:YAG and Er,Cr:YSGG Lasers
A new, highly accurate and repeatable methodology based on the principle of optical triangulation to measure ablation rates in hard dental tissues is introduced. Using this methodology, a comparisonExpand
Expulsion detection system for resistance spot welding based on a neural network
A linear vector quantization neural network is proposed to detect the expulsion of molten material in resistance spot welding. Expand
Wound perimeter, area, and volume measurement based on laser 3D and color acquisition
We propose a method for wound shape measurement that combines the added value of 3D measuring and well-known segmentation algorithms to enable volume calculation and achieve reliable and operator-independent analysis. Expand
A method for rapid measurement of laser ablation rate of hard dental tissue
Abstract The aim of the study reported here is the development of a new method which allows rapid and accurate in-vitro measurements of three-dimensional (3D) shape of laser ablated craters in hardExpand
Comparison of Er:YAG and Er,Cr:YSGG Dental Lasers
A variety of lasers has been used for hard tissue procedures in dentistry, with erbium lasers now being accepted as the golden standard for these procedures. This study describes a new, highlyExpand