Determination of the Working Layer Thickness of a Modern Dental Blocker by Spectroscopy
https://doi.org/10.17586/0021-3454-2022-65-2-112-117
Abstract
The prospects and relevance of the optical spectroscopy method for study of modern stomatological restoration material are shown. A brief description of test sample is given. Technical characteristics of the automated spectral device UV-1280 are listed. Spectral dependences of optical transmittance of Omnichroma Blocker composite material are obtained. Transmission spectra are measured for ten samples with a thickness of 0.3; 0.5; 0.9 and more than 1 mm. It was determined that a layer thickness of 0.3–0.5 mm of this composite is sufficient to mask discolorations and make restorations opaque when restoring through cavities in the anterior teeth. It is shown that for a sample layer thickness of 0.3 mm, the transmission coefficient in the visible wavelength range does not exceed 10 %.
About the Authors
L. I. Shalamay
Pavlov University
Russian Federation
Russian Federation
Ludmila I. Shalamay — PhD, Associate Professor; Department of Therapeutic Dentistry and Periodontology
E. E. Maiorov
St. Petersburg State University of Aerospace Instrumentation
Russian Federation
Russian Federation
Evgeny E. Maiorov — PhD, Associate Professor; Department of Applied Mathematics
Е. Мендоса
A. I. Evdokimov State University of Medical and Dentistry
Russian Federation
Russian Federation
Elena Yu. Mendosa — Department of Clinical Dentistry; Assistant
В. Лампусова
Pavlov University
Russian Federation
Russian Federation
Victoria B. Lampusova — PhD, Associate Professor; Department of Therapeutic Dentistry and Periodontology
Н. Оксас
Pavlov University
Russian Federation
Russian Federation
Nataliya S. Oksas — PhD; Department of Therapeutic Dentistry and Periodontology
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Review
For citations:
Shalamay L.I., Maiorov E.E., , , Determination of the Working Layer Thickness of a Modern Dental Blocker by Spectroscopy. Journal of Instrument Engineering. 2022;65(2):112-117. (In Russ.) https://doi.org/10.17586/0021-3454-2022-65-2-112-117
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