Author:
Shulev Assen,Roussev Ilia,Karpuzov Simeon,Stoilov Georgi,Ignatova Detelina,See Constantin von,Mitov Gergo
Abstract
Abstract
This paper presents a roughness measurement of zirconia ceramics, widely used for dental applications. Surface roughness variations caused by the most commonly used dental instruments for intraoral grinding and polishing are estimated. The applied technique is simple and utilizes the speckle properties of the scattered laser light. It could be easily implemented even in dental clinic environment. The main criteria for roughness estimation is the average speckle size, which varies with the roughness of zirconia. The algorithm used for the speckle size estimation is based on the normalized autocorrelation approach.
Subject
Mechanical Engineering,Modeling and Simulation,Computational Mechanics
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