ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)

vol 63 / August, 2020

DOI 10.17586/0021-3454-2019-62-4-372-378

UDC 616.31-085: 677.016.413.6


V. T. Prokopenko
ITMO University, Saint Petersburg, 197101, Russian Federation; Professor

E. E. Majorov
University of the EurAsEC Inter-Parliamentary Assembly; Associate professor

L. I. Shalamay
Pavlov First St. Petersburg State Medical University, Department of Therapeutic Dentistry and Periodontology ;

N. E. Popova
PhD; University associated with IA EAES, Department of Mathematics and Information Technologies;

T. A. Chernyak
Saint Petersburg Academic University, Department of Information Technologies and Mathematics; Associate Professor

A. V. Kurlov
St. Petersburg State University of Aerospace Instrumentation, Department of Innovation and Integrated Quality Systems;

A. V. Dagaev
St. Petersburg University of Management Technologies and Economics, Department of Information Technologies and Mathematics; Associate Professor

G. A. Tsygankova
Naval Polytechnic Institute, Department of Physics; PhD

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Abstract. A colorimetric device for measuring the color parameters of tooth enamel in normal and erosive state in therapeutic dentistry is developed. A block diagram of the colorimeter and the graphic representation of spectral sensitivity of the receiving part of the device are presented. Metrological capabilities of the developed colorimeter are analyzed with the use of results of measurement by a certified device. Results of carried out calibration of the colorimetric device and the data of test measurements of chromaticity coordinates of certified and cataloged glass show that the colorimeter can be used to control diffusely reflecting objects. In particular, the device can be used in therapeutic dentistry to examine in vivo human tooth enamel in various states. Characteristics of the test samples were determined near marked points to confirm the results authenticity.
Keywords: colorimeter, chromaticity, spectral sensitivity, color triangle, tooth enamel, dentistry


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