O. A. Petrova
Privolzhsky Research Medical University
Russian Federation

Olga Alekseevna Petrova – postgraduate student, Department of Propaedeutic Dentistry,

Nizhny Novgorod

L. V. Vdovina
Privolzhsky Research Medical University
Russian Federation

Lyudmila Valerievna Vdovina  – PhD, Associate Professor, Department of Propaedeutic
Dentistry,

Nizhny Novgorod

N. V. Tiunova
National Research Lobachevsky State University of Nizhny Novgorod
Russian Federation

Natalya Viktorovna Tiunova – MD, PhD, Associate Professor, Head of the Department
of Clinical Dentistry,

Nizhny Novgorod

N. N. Pertsova
National Research Lobachevsky State University of Nizhny Novgorod
Russian Federation

Pertsova Natalia Nikolaevna – Senior Lecturer of the Department of Clinical Dentistry, 

Nizhny Novgorod

E. V. Rumyantseva
National Research Lobachevsky State University of Nizhny Novgorod
Russian Federation

Rumyantseva Ekaterina Vladislavovna – 5th-year student,

Nizhny Novgorod

A. E. Veneralova
National Research Lobachevsky State University of Nizhny Novgorod
Russian Federation

Veneralova Anastasia Evgenievna – 5th-year student,

Nizhny Novgorod

M. P. Piskunova
Privolzhsky Research Medical University
Russian Federation

Piskunova Milena Pavlovna – 5th-year student,

Nizhny Novgorod