Biomedical subjects
Publications and source records attributed to V G Suntsov.
Passive transport of K+, Na+ Ca2+, Cl-, and F- ions through dental enamel was studied with due consideration for its porous structure. Pore size was studied by low-temperature nitrogen adsorption. The size of pores allows penetration of large molecules and ions through the enamel. The internal medium of a tooth is connected with the electrolyte solutions surrounding it due to porous structure of the medium.
Eleven children aged 5-9 years with maxillodental abnormalities were treated using positioners. Negative effects of positioners and activators (increase of dental caries, hygienic index, and acid resistance of the enamel) are analyzed.
Thorough epidemiologic studies are the basis for the development of effective methods and means of primary prevention of dental caries in children. With this aim in view, we examined 21,035 children living in various rural and urban regions of west Siberia. The duration of their stay in the Extreme North was taken account of, as well as levels of fluoride, selenium, and other odontotropic substances in drinking water and other biogeographical factors over the recent one or two decades. The study demonstrated an increasing incidence and intensity of caries, particularly so in the rural regions, which is due to insufficient primary and secondary prophylactic measures. The highest incidence and intensity of the disease were observed in the residents of Tyumen Province. For improving the prevention of dental diseases it is necessary that epidemiological factors in the studied regions be taken into consideration.
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Dental caries reduction was studied in 414 children 1 year following F-year primary caries prevention with the use of sodium fluoride solution, fluorine lacquer, and Ca phosphate-containing gels. Essential reduction of the intensity of carious involvement of the teeth was seen in the examinees as against children not administered specific prophylactic treatment.
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A method is offered to detect early enamel demineralization prior to formation of caries area which can be stained with methylene blue. The technique is based upon the detection, under the caries-eliciting superficial layer as determined after J. L. Hardwick and E. B. Manly (1952), the demineralized enamel requiring hygienic control or remineralization therapy.
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