THE ANALYSIS OF PHYSICAL AND MECHANICAL CHARACTERISTICS OF FACING COMPOSITE MATERIALS CERAMAGE («SHOFU») AND ULTRAGLASS («VLADMIVA»)

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Abstract


According to the Ministry of Industry and Trade, the degree of dependence of the medical industry and practical medicine on imports is 81%. Critical dependence causes a shortage of inexpensive consumables, medicines and medical devices, and as a consequence of the increase in the cost of medical services, which is estimated as a threat to national security. In various regions of the Russian Federation in the general structure of dental care for patients in all age groups, dental arch defects range from 40 to 75%. Non-removable prosthetics for socially unprotected segments of the population are carried out mainly by bridges with lining the metal frame with hot-curing plastic, short-lived due to low strength characteristics, significant abrasion, and hygroscopicity. To a large extent, the service life of fixed prostheses is determined by the combination of the physicomechanical properties of the facing material, such as flexural strength, modulus of elasticity, and hardness. Flexural strength characterizes the ability of a material to resist unaxial occlusal loading, the modulus of elasticity determines the stiffness of a material and its ability to withstand applied loads without significant deformations, and the hardness characterizes the wear resistance of a material and its ability to withstand abrasion by antagonists. This paper presents the results of a study of the physicomechanical properties of facing composite materials: Ceramage (Shofu, Japan) and Ultra Glass (VladMiVa, Russia). The revealed differences in flexural strength, modulus of elasticity and Vickers microhardness of the material “UltraGlass” allow us to recommend it for widespread clinical use. Expanding the range of domestic materials for orthopedic dentistry by developing a coating composite material UltraGlass helps to improve the quality of dental care to the population with social benefits.


About the authors

A V Tscymbalystov

Belgorod State National Research University

Author for correspondence.
Email: tsimbalistov@bsu.edu.ru
308015, Russia, Belgorod, ul. Victory, 85, Bldg. 17

Doctor of Medical Sciences, Professor, Head of the Department of Orthopedic Dentistry, Belgorod State University National Research University, Honored Doctor of the Russian Federation, Deputy Director of the Medical Institute

A A Kopytov

Belgorod State National Research University

Email: tsimbalistov@bsu.edu.ru

V P Chuev

Belgorod State National Research University

Email: tsimbalistov@bsu.edu.ru

R I Asadov

Belgorod State National Research University

Email: tsimbalistov@bsu.edu.ru

D V Vinakov

Belgorod State National Research University

Email: tsimbalistov@bsu.edu.ru

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Copyright (c) 2018 Tscymbalystov A.V., Kopytov A.A., Chuev V.P., Asadov R.I., Vinakov D.V.

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