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Currently, experts have noted the need to search for new research methods based on the selection of the most stable anatomical landmarks for the graphic construction of dental arches of the milk bite and the assessment of their effectiveness in clinical practice. A retrospective biometric study of 27 pairs of plaster models of mammary bite jaws with their optimal functional occlusive relationships was carried out to develop diagnostic methods. Orthodontic treatment of 15 children with congenital pathology of the maxillofacial region was carried out by fixed arc equipment. Based on the analysis of biometrics, methods for the graphic construction of dental arches were developed. The first method was based on the laws of circle geometry (the prototype of the A.M. Schwarz method) and the calculation of the radius of the circle along its length (L = 2R). To the sum of the crowns of 10 milk teeth, the value of the diastem component (in our case, 9 mm) was added and the length of the semicircle was obtained, which was enough to divide by the number and get the magnitude of the radius of the circle. The effectiveness of treatment of children with unilateral cleft lip and alveolar process is shown. Analysis of dental arch biometric data showed that on the side of the cleft, the distance from the conditional sagittal to the milk canine was (11.52 0.93) mm before treatment, and after treatment, the studied parameter was (16.39 0.64) mm (p ˂ 0.05). On the cotrlateral side, the difference in the change in the position of the canine was not significant and in the dynamics of treatment changed from (14.93 0.79) mm to (16.27 0.84) mm (p ˃ 0.05). The diagonals of the dental arches (central-molar) on both sides after treatment were (35.52 1.13) mm. Thus, taking into account the data obtained, it was concluded that the graphic reproduction of the dental arch of the milk bite in the treatment of children with anomalies of the dental arches was made.

The analysis of textbook and modern literature sources devoted to the graphic construction of human dental arches was carried out in order to select the optimal research methods, taking into account the individual characteristics of the craniofacial morphology. The features of the construction of dental arches according to the Hawley method are presented and the possibilities of using this technique only for some types of dental arches are shown. Information is given on the amendments to the calculations of the radius of the Hawley circle, taking into account the geometric laws of the circle. Attention is paid to the shape of the dental arch of the milky period of the bite and the possibility of using the Schwartz method in children only with optimal occlusive ratios without signs of anomalies of the dentition-jaw system is noted. Amendments to the A. Schwartz method are presented, taking into account the size of the teeth and the size of the diastem component. The method for determining the size of the dental arches by the parameters of diagnostic triangles and the dental pentagon is shown. Methods of graphic construction of predicted forms of arcs with their anomalies, as well as with defects of long length, including complete adentia, are presented. This analysis can be useful to orthopedic dentists and orthodontists when choosing methods of prosthetic and orthodontic treatment.

Medical errors in dentistry are a complex problem. There is no unambiguous and comprehensive definition of this concept. The article examines the existing classifications of medical errors, discusses their advantages and disadvantages. Possible alternative classifications of medical errors for objective and subjective reasons, for medical and non-medical factors influencing diagnosis and treatment, according to the severity of the harm done to the patient are considered. Medicine is developing, so the term "medical error" requires not just a modern view, but also official recognition as a problem. It is necessary to supplement and clarify it, for ease of use in official medical documents.

The purpose of this review of the current literature on the problem of longevity was to analyze approaches and actions in the field of public health to ensure professional longevity. The extension of a person's ability to work is carried out by maintaining individual vitality through the receipt of medical services, as well as compensating for the functional ability that decreases with age by using measures and technologies that facilitate working conditions. This prolongation of professional longevity is based on dynamic monitoring of a person's psychosomatic status and the creation of conditions for professional development. Expansion of the scope of periodic medical examinations, corporate programs for maintaining the ability to work, timely medical and rehabilitation measures, innovative personal protective equipment for the musculoskeletal system are most effective within a holistic methodology. The analysis of the literature shows the feasibility of further research aimed at extending professional longevity by substantiating systemic measures at the state level with the full participation of employers and the broad involvement of the employees themselves, as well as the relevance of developing a methodology for extending professional longevity based on maintaining health and performance, covering career guidance, formation and development professional qualities.

A review of the literature on the methods of biometric diagnostics was conducted. The aim of the work was to analyze the classical and modern methods of odonometrics and biometrics of dental arches. The analysis of domestic and foreign literature showed the feasibility of conducting additional research, using modern ideas about the options for the shape and size of dental arches. The analysis is devoted not only to the clarification of data on the individual norm, but also to diagnose various forms of anomalies and deformations of dental arches in different directions. This review will help researchers determine the best methods of biometrics in the study of certain types of dental arches. In addition, clinicians can choose biometric methods for predicting dental arches, which must be guided in the treatment of patients, choose the design of orthodontic devices and dentures, taking into account the requirements of individual medicine.

Diabetes meUitus, as one of the main risk factors for diseases of the circulatory system, significantly increases the likelihood of the formation of cerebrovascular pathology, therefore, improving the diagnosis of hemorheological disorders is a priority area of medicine. According to the results of a study of 68 patients with acute cerebrovascular accidents against the background of type 2 diabetes mellitus, it was found that with an increase in the length of the disease, chronic hyperglycemia and an increase in the level of HbA1c, the complex of hemorheological disorders increases. The development of a vicious circle in the pathogenesis of endocrinopathy creates the prerequisites for the further progression of micro- and macrovascular complications.

The article presents the main morphometric parameters of alveolar arches in different types of dental systems. Methods of study of dental lingual arches and alveolar arches in the absence of teeth are proposed. It is shown that the most typical were the three variants of the size of alveolar arches: medium, large and small. At medium arches, their width ranged from 46 to 49 mm. The increase in size was characterized by large arches, and the reduction in width - the arches of small size. Alveolar arches templates for rapid diagnosis of their types are proposed, which should be taken into account when prosthetics patients with full adentia.

The results of the survey of practicing doctors and experts of the quality of medical care about the problem of patient safety in medical organizations are presented.

Analysis of 830 cases of psychological assistance to victims of emergency situations from 2013 to 2018 in the Volgograd region showed the effectiveness of its organization and activities.

The article presents phenotypic signs of pathology of the maxillofacial region in patients with undifferentiated connective tissue dysplasia, among which are highlighted anomalies of occlusive relationships in the sagittal direction in combination with deep incising dysocclusion and narrowing of dental arcs, pathology of solid tissues of teeth (hypoplasia), vertical type of jaw growth, «gothic palate», anomalies of attachment of bridles of lips and tongue, narrowing of the roots of the roots of teeth. The results of the study can be used in clinical dentistry in the examination and treatment of patients with connective tissue dysplasia.

The article presents an analysis of regional features of morbidity with temporary disability, disability and mortality of employees of the internal affairs bodies of Russia. The source of the data was medical statistical reports generated by the medical and sanitary units of the Ministry of Internal Affairs of Russia using lexical analysis of medical documentation.

The article presents a comparative analysis of the results of questioning of patients and medical personnel using the tools of lexical analysis of medical records. The questioning was conducted simultaneously in a 24-hour in-patient clinic. A survey was conducted of all patients discharged from the hospital during the week, and all medical workers who worked during the period. The questionnaire for staff includes questions about patient satisfaction. The formulation of questions is «mirror» to the questions of the questionnaire of patients. The results of the questionnaire convincingly testify to a higher assessment of the conditions and the provision of medical care to patients compared with the assessment by medical personnel.

Article is devoted to the process approach principles use at the description of administrative processes of the large multidisciplinary medical organization. In article the structure (list) of the main administrative processes and their maintenance for the subsequent development of flow charts is identified.

The unified state register of the population attached to medical institutions providing ambulatory care in general medicine makes it possible to create unified state personified registries of medical care. The unified state register of the population attached to medical institutions providing ambulatory care in general medicine should be considered as a component of the unified state health information system. Based on the unified state register of the personified registries of medical care the main directions of medical statistics development were outlined.

The article presents the results of a survey of practitioners on the problem of patient safety in medical organizations.