DOI 10.17586/0021-3454-2023-66-9-781-788
UDC 616.314:535.3
ABSORPTION SPECTRAL ANALYSIS OF LIGHT-CURED RADIOPAQUE MATERIALS „OMNICHROME“
Pavlov First St. Petersburg State Medical University, Department of Therapeutic Dentistry and Periodontology ;
E. E. Majorov
Saint-Petersburg state university of aerospace instrumentation; Associate professor
E. Y. Mendosa
A.I. Yevdokimov Moscow State University of Medicine and Dentistry, Department of Clinical Dentistry;
V. B. Lampusova
Pavlov University, Department of Therapeutic Dentistry and Periodontology;
Оксас Н. С.
Первый Санкт-Петербургский государственный медицинский университет им. акад. И. П. Павлова, кафедра стоматологии терапевтической и пародонтологии;
Reference for citation: Shalamay L. I., Maiorov E. E., Mendosa E. Yu., Lampusova V. B., Oksas N. S. Absorption spectral analysis of light-cured radiopaque materials „Omnichrome“. Journal of Instrument Engineering. 2023. Vol. 66, N 9. P. 781—788 (in Russian). DOI: 10.17586/0021-3454-2023-66-9-781-788.
Abstract. Results of a study on the use of absorption spectral analysis of light-curing radiopaque materials „Omichrome“ to evaluate their optical properties are presented. Application of this method is associated with the ability to quantitatively determine the elemental composition of a substance, high selectivity, simple preparation of dental samples under study, accuracy and sensitivity. Using spectrophotometer for experimental measurements, the spectral dependences of the absorption coefficient of the analyzed materials on the radiation wavelength were obtained over the entire measured range. The maximum and minimum values of the absorption coefficient of the materials were defined.
Abstract. Results of a study on the use of absorption spectral analysis of light-curing radiopaque materials „Omichrome“ to evaluate their optical properties are presented. Application of this method is associated with the ability to quantitatively determine the elemental composition of a substance, high selectivity, simple preparation of dental samples under study, accuracy and sensitivity. Using spectrophotometer for experimental measurements, the spectral dependences of the absorption coefficient of the analyzed materials on the radiation wavelength were obtained over the entire measured range. The maximum and minimum values of the absorption coefficient of the materials were defined.
Keywords: spectrophotometer, absorption spectral analysis, absorption coefficient, diffraction grating, translucent plate, collecting lenses
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