В. N. Davydov
Federal State Budgetary Educational Institution «Tver State Medical University» of the Ministry of Health of the Russian Federation
Russian Federation

B. N. Davydov, DSc, Professor, Corresponding Member of the Russian Academy of Sciences, Honored Scientist of the Russian Federation, Department of Paediatric Dentistry and Orthodontics with a course in Paediatric Dentistry, Faculty of Con-tinuing Education

Т. S. Kochkonyan
Federal State Budgetary Educational Institution of Higher Education «Kuban State Medical University» of the Ministry of Health of the Russian Federation
Russian Federation

T. S. Kochkonyan, Candidate of Medical Sciences, Associate Professor of the De-partment of the Department of Prosthetic Dentistry

D. A. Domenyuk
Stavropol State Medical University, Ministry of Health of the Russian Federation
Russian Federation

D. A. Domenyuk, Doctor of Medical Sciences, Professor of the Department of General Practice Dentistry and Pediatric Dentistry

S. V. Dmitrienko
Volgograd State Medical University, Ministry of Health of the Russian Federation
Russian Federation

S. V. Dmitrienko, DSc, Professor, Head of the Department of the Department of Pros-thetic Dentistry and Orthodontics

Ghamdan Al-Harazi
Sana’a University
Yemen

Ghamdan Al-Harazi, Professor of Dentistry, Dean of the Faculty of Dentistry, Head of the Department of Orthodontics