Aim. To optimize the conditions, necessary for elimination of inflammatory phenomena in parodontium tissues Materials and methods. Fifty practically healthy and socially adapted patients (age range 16 to 40 years) with uncomplicated mandibular fractures participated in the study. Results. The studies showed that among patients with two-jaw dental splints, who experienced traditional complex treatment, the main clinical indices did not change throughout the period of observations. Infrared laser light applied reduced the severity of inflammation in the tissues of marginal parodontium. Conclusions. The obtained results permit to recommend complex medical effect on the parodontium tissues for patients with intraoral fixing constructions. This effect is aimed at correction of the oral cavity hygiene and multifactor pathogenetic action of infrared laser light, making it possible to stabilize significantly the state of parodontium tissues in unfavorable conditions of intermaxillary fixation in patients with mandibular fractures.

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Aim. To study the correlation between the value of nonspecific resistance of the organism (NRO) and the rate of visual organ pathology as well as the prevalence of platypodia among pupils. Materials and methods. The study included 108 pupils aged 10–12 years, residents of Perm (46 boys and 62 girls). To realize the stated targets, there were used immunological, clinical and statistical methods. Nonspecific resistance of the organism was assessed by the antibody titer (AT) value in the saliva. From the total number of the examined patients, the visual organpathology was detected in 15 persons, platypodia – in 9. NRO value in children was evaluated using the developed by the authors express-method, based on the determination of humoral factors of immunity in the saliva – the antibody titer in passive hemagglutination reaction (PHGR) to Shigella sonnei by means of commercial antigen erythrocyte diagnosticum. Results. It was established that NRO influences the possibility of developing both: visual organ pathology and platypodia in the examined patients. Conclusion. The obtained results of the study permit to recommend the method of human adolescent NRO assessment, which was worked out by us.

Objective. Hygienic assessment of the quality of drinking water from two rivers, Kama and Chusovaya, which supply the city of Perm, was carried out. Water in them is different in mineral composition, but similar in terms of anthropogenic pollution. Materials and methods. Dental status was determined in 142 schoolchildren aged 15-17 years old, who use water from different sources. The concentration of total calcium and magnesium in the oral fluid was determined for all schoolchildren. Results. The study found that the degree of mineralization of drinking water affects the mineral composition of the saliva. Schoolchildren, who use drinking water of low mineralization, have a low concentration of calcium and magnesium in the saliva and a high intensity of dental caries. Schoolchildren, who use drinking water of increased mineralization, have a high concentration of calcium and magnesium in the saliva, a low intensity of dental caries and a high intensity of periodontal diseases due to an increased formation of tartar. Treatment and preventive measures, carried out among schoolchildren, included the drug Complivit, plates CM 1, low-intensity laser light. Conclusions. The effectiveness of treatment and preventive measures was determined by the activity of the oral fluid enzymes before and after the course of treatment.