[Some aspects of the organization and analysis of the performance of the orthodontic service in Ryazan and the Ryazan region].

Objective: Conducting a retrospective analysis of the indicators of orthodontic care provided in Ryazan and the Ryazan region from 1999 to 2017.

Material And Methods: During the study, institutions providing orthodontic care were divided into three levels of dental organizations. Level 1 medical care centers provide assistance to residents of districts of the region, the results of the work of clinics located in 2 districts of the region were analyzed for the period since 2005 to 2017.

Survey of ground beetles inhabiting agricultural crops in south-east Kazakhstan.

Ground beetles (Carabid beetles) may be found in virtually all of the world's habitats. They are one of the three most diverse families of extant beetles, with 34,275 species documented, and they serve as vital ecological markers in all environments. Edaphic living beetles catch and eat a wide variety of arthropods that live in the soil.

[The quality of life of patients after orthodontic treatment depending on the use of different types of retention appliances].

Aim: To assess the impact of the type of retention device on the quality of life of orthodontic patients.

Material And Methods: 311 patients were divided into four groups according to age. At the end of active orthodontic treatment, retainers were installed.

Psychometric evaluation of the Russian version of the Gaming Disorder Scale for Adolescents.

Unlabelled: Problematic gaming has become an emerging global health issue. Formal recognition of gaming disorder in the ICD-11 is a new opportunity for the discipline to conduct further investigation concerning the psychological consequences of problematic gaming. The present study investigated the psychometric properties and construct structure of the recently developed Gaming Disorder for Scale for Adolescents (GADIS-A), a multi-dimensional instrument that screens for gaming disorder symptoms, among Russian adolescent gamers.