TY JOUR TI EFFICIENCY OF PREVENTION OF DISEASES OF THE ORAL CAVITY IN CHILDREN. THE IMPORTANCE OF THE ISSUE FOR VISUALLY IMPAIRED CHILDREN KW prophylaxis of dental diseases KW hygiene training KW dental caries KW children and adolescents KW children with sensory deprivation of vision JO Actual problems in dentistry AU Surdo, E.S. AU Galonsky, V.G. PY 2021 IS 17 PB TIRAZH Publishing House