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

Tiunova Natalia Viktorovna – MD, PhD, Associate Professor, Head 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

M. L. Zhdanova
National Research Lobachevsky State University of Nizhny Novgorod
Russian Federation

Zhdanova Maria Lenoidovna - MD, PhD, Associate Professor, Department of Clinical
Dentistry,

Nizhny Novgorod

L. V. Vdovina
Privolzhsky Research Medical University
Russian Federation

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

Nizhny Novgorod

I. M. Chuvarkova
Privolzhsky Research Medical University
Russian Federation

Chuvarkova Irina Mikhailovna  – PhD, Associate Professor of the Department of Propaedeutic Dentistry,

Nizhny Novgorod

I. Yu. Shirokova
Privolzhsky Research Medical University
Russian Federation

Shirokova Irina Yuryevna  – Head of the Bacteriological Laboratory, Research Institute
of Preventive Medicine, University Clinic,

Nizhny Novgorod

N. A. Belyanina
Privolzhsky Research Medical University
Russian Federation

Belyanina Natalya Aleksandrovna – Employee of the Bacteriological Laboratory, Research Institute of Preventive Medicine, University Clinic,

Nizhny Novgorod