MEDICAL AND SOCIAL CHARACTERISTICS OF PATIENTS WITH DENTAL IMPLANTATION IN DENTAL HEALTHCARE PROVIDERS OF VARIOUS FORMS OF OWNERSHIP ArticleAstafiev Alexander A., Konovalov O.E., Kopetsky Igor S., Shulaev Alexey V., Guseva O.Yu, Kopetsky Andrey I.Вестник современной клинической медицины. Том 18. 2025. С. 153-159