Relevance. The role of pediatric dentistry in younger generation health improvement is undeniable; therefore, developing pediatric dental service is an important health care issue.Purpose. To present the contribution of Lubov Sergeevna Litovkina to paediatric dental service development in connection with her death on December, 23, 2019.Materials and methods. Based on the analysis of professional activity and scientific works of L.S. Litovkina the achievements that have contributed to the development of pediatric dentistry service in Volgograd Region were identified.Results. Public, clinical and scientific activities of L.S. Litovkina were highlighted. Special attention was paid to such areas of her work as the organization of epidemiological dental examinations of children’s population, the implementation of milk fluoridation program for prevention of dental caries in preschool children, school dentistry improvement and applying the dental educational program for the elementary schoolchildren.Conclusions. The organizational and scientific activities of L.S. Litovkina contributed to the development of the paediatric dental service and oral health improvement of children’s population.

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Background: DM mellitus (DM) leads to worsening periodontal diseases, and in turn the inflammatory diseases of maxillofacial region adversely affect the glycemic control and exacerbate the severity of DM, thereby engendering a vicious cycle that compromises the DM management in patients. Taking account of the bidirectional relationship between DM and periodontal disease, interdisciplinary examination of patients with both DM and periodontal diseases is warranted to improve the health outcomes in patients. Aims: This study aims to evaluate the perceptions of dentists and endocrinologists on the interdisciplinary cooperation for identification and management of patients with DM. Materials and methods: Studying patients knowledge about DM and their compliance in providing endocrinological recommendations, dental screening survey to identify DM risk and signs The research was done in 2015-2016 years using clinical survey (dental status survey), statistical analysis. 432 patients from different dental organizations and 433 doctors (371 dentists and 62 endocrinologists) took part in the research. The research was approved by Regional research ethics committee. The written informed consent was taken from each participant. Results: There was insufficient interdisciplinary collaboration for identification and management of patients with diabetes, and lack of motivation among dental patients to endocrinological survey. Hence, it is important to incorporate definitive screening for risk of DM for patients with inflammatory periodontal disease and include dentists in consultation for patients with DM. The feasibility of statutory determination of collaboration between specialists in identification and management of patients with DM was found, dental lectures are necessary in DM school. Conclusions: Our findings suggest the necessity of including dentists in the standard of medical management of patients with DM and incorporating DM screening by a questionnaire upon dental examination.

Relevance. Underestimating the importance of economic analysis is the barrier to the implementation of cariesprevention programs.The aim is to study with use of mathematic modeling method the clinical and economic effectiveness of dental caries prevention programs provided for schoolchildren.Materials and methods. The method of mathematic modeling was used to evaluate the clinical and economic efficiency of the caries prevention programs (educational, fissure sealing, fluoride varnish). The cost of prevention program implementation and the expenses for caries treatment without prevention were calculated according to the rate of Volgograd territorial mandatory medical insurance Fund for 2018 year. The differences between the caries prevention program’s cost and the expenses needed for the treatment of “prevented caries” were considered as saving.Results. It was revealed that the Educational Dental Program for the first grade schoolchildren has short duration (2 years) of clinical-economic efficiency. The Continuous Educational Dental Program applied for 6 years by dental hygienists or dentists led to saving (per 100 children) of 99.5-115.0 or 84.0-99.6 thousand roubles respectively. The economic effect of The First Permanent Molar Fissure Sealing Program was revealed after 2 years only when The Program was implemented by dental hygienists. After 6 years of working with this Program the saving were 181.3 or 146.2 thousand roubles per 100 children depending on who implemented the Program, dental hygienists or dentists. The cost of Fluoride Varnish Program implementation was higher than the treatment of “prevented caries”. However, the number of “prevented caries” after fluoride varnish application is higher than after the implementation of the Educational Dental Programs. Moreover, fluoride varnish, in contrast to fissure sealing, prevents caries of smooth surfaces of permanent teeth. Conclusions. The method of mathematic modeling can be used for the development of the caries prevention programs in various regions considering the availability of personnel and financial resources, and for evaluation of the clinical and economic effectiveness of preventive programs implementation.