A. A. Pugacheva
Pavlov First Saint Petersburg State Medical University
Russian Federation

Agata A. Pugacheva, 5^th year student, Dental School

Saint Petersburg

L. Yu. Orekhova
Pavlov First Saint Petersburg State Medical University
Russian Federation

Liudmila Yu. Orekhova, DMD, PhD, DSc, Professor, Head of the Department of the Restorative Dentistry and Periodontology; President of Russian Association of Periodontology, General manager, City Periodontal Center “PAKS” Ltd.

Saint Petersburg

N. S. Oksas
Pavlov First Saint Petersburg State Medical University
Russian Federation

Natalia S. Oksas, DMD, PhD, Assistant Professor, Department of the Restorative Dentistry and Periodontology

Saint Petersburg

N. M. Paramonova
Sechenov Institute of Evolutionary Physiology and Biochemistry of the Russian Academy of Sciences
Russian Federation

Natalia M. Paramonova, Researcher, Laboratory of Molecular Endocrinology and Neurochemistry

Saint Petersburg

T. V. Kudryavtseva
Pavlov First Saint Petersburg State Medical University
Russian Federation

Tatyana V. Kudryavtseva, DMD, PhD, DSc, Professor, Department of Restorative Dentistry and Periodontology

Saint Petersburg