Abstract
Studies on pesticide load were carried out. The number and the classes of toxic chemicals used in the republic and their ranking by hazard class and toxicological stress are given. Pesticide-contaminated zones of Dagestan were identified. The dependence of the prevalence of dentofacial anomalies and the prognosis of the incidence of the population living in the zones of environmental trouble have been revealed.
Highlights
As a result of chemical effects on the body, a decrease in the protective mechanisms, and a decrease in the balance of oxidative processes in the oral cavity and oral fluid take place; the intensity of anaerobic oxidation increases
Environmental factors affect the hard tissues of the teeth indirectly, including through the changing properties and composition of saliva
Numerous studies of domestic and foreign authors have proved the importance of microelement compositions and drinking water in the development of hard tissue pathology of both temporary and permanent teeth, which, in turn, is associated with the geochemical characteristics of the area of residence [1,2,3,4, 13,14,15]
Summary
The increase in the incidence of dentofacial anomalies is due to the effects of harmful factors found in the air, drinking water, and soil, as well as due to hereditary factors. There are works containing conflicting data on the frequency of dental-maxillary anomalies in children and adolescents consuming water with different fluorine contents [7, 13, 14, 16] statistics on the beneficial effects of optimal doses of fluoride on the general condition of the body are well known. The authors studied the prevalence of anomalies of the teeth, dentition and occlusion in areas with different fluoride levels in drinking water. The author’s research [15] noted an increase in the prevalence of a deep bite in children living in areas with a high content of this trace element.
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