Method and device for quantitatively determining the surface optical characteristics of a reference object comprised by a plurality of optically differentiable layers
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United States of America Patent
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Jun 19, 2012
Grant Date -
Jun 10, 2010
app pub date -
Dec 9, 2009
filing date -
Dec 10, 2008
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Abstract
A method and device to determine quantitatively the surface optical characteristics of an object of reference made up of a plurality of optically differentiable layers. The device includes lighting and image capture means, connected to analysing means which execute the method to obtain the parameters of the repair material components best fitting the optical characteristics of the dental environment of the subject under treatment. The result of the analysis through the method in the invention consists mainly in the identification of each one of the various materials which should constitute the different layers, as well as their respective thicknesses, and which are to lead to a dental repair with optimum optical characteristics. It is thus achieved that the repair be visually imperceptible, both under natural light and under ultraviolet light.
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