N. O. Guk
Peoples’ Friendship University of Russia named after Patrice Lumumba
Russian Federation

Guk Nikita Octavianovich, postgraduate student of the Department of Orthopedic Dentistry

Moscow

V. V. Saveliev
Peoples’ Friendship University of Russia named after Patrice Lumumba
Russian Federation

Saveliev Vasily Vladimirovich, Candidate of Medical Sciences of the Department of Orthopedic Dentistry

Moscow

I. Y. Lebedenko
Peoples’ Friendship University of Russia named after Patrice Lumumba
Russian Federation

Lebedenko Igor Yulievich, MD, Professor, Head of the Department of Orthopedic Dentistry

Moscow

M. V. Retinskaya
Peoples’ Friendship University of Russia named after Patrice Lumumba
Russian Federation

Retinskaya Marina Vladimirovna, Candidate of Medical Sciences, Associate Professor of the Department of Orthopedic Dentistry

Moscow