30 May 2003 Measurement of the composite resin thickness variations using digital interferometry
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Abstract
Digital interferometry based device for measuring the thickness variations of the resin composite materials during blue light polymerization is described. The proposed device enables two types of quantitative measurements providing data for the total displacement and the dynamic behavior of displacement. The effect of the thermal expansion as well as polymerization shrinkage can be clearly resolved between different materials, curing lights and modes. The effectivness of our experimental device is illustrated with selected results obtained for a commercial dental material.
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Nazif Demoli, Nazif Demoli, Goran Pichler, Goran Pichler, Alena Knezevic, Alena Knezevic, Zrinka Tarle, Zrinka Tarle, Andrej Meniga, Andrej Meniga, Jozo Sutalo, Jozo Sutalo, } "Measurement of the composite resin thickness variations using digital interferometry", Proc. SPIE 5144, Optical Measurement Systems for Industrial Inspection III, (30 May 2003); doi: 10.1117/12.500557; https://doi.org/10.1117/12.500557
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