L. Yu. Orekhova
First St. Petersburg State Medical University named after I.P. Pavlov; «PAKS» City Periodontal Center, LLC
Russian Federation

Liudmila Yu. Orekhova, Dr. Sci. (Med.), Professor, Chief of the Department of Therapeutic Dentistry and Periodontology; President of the Russian Periodontological Association (RPA)

Saint Petersburg

V. G. Atrushkevitch
Moscow State University of Medicine and Dentistry
Russian Federation

Victoria G. Atrushkevich, Dr. Sci. (Med.), Professor of the Department of periodontology; Vice-President of the Russian Periodontological Association (RPA)

Moscow

E. S. Loboda
First St. Petersburg State Medical University named after I.P. Pavlov; «PAKS» City Periodontal Center, LLC
Russian Federation

Ekaterina S. Loboda, PhD, Associate Professor of the Department Operative Dentistry and Periodontology; dentist at "PAKS" City Periodontal Center Ltd.

Saint Petersburg

V. Yu. Vashneva
First St. Petersburg State Medical University named after I.P. Pavlov
Russian Federation

Veronica Yu. Vashneva, PhD, Associate Professor of the Department Operative Dentistry and Periodontology

Saint Petersburg

A. A. Petrov
First St. Petersburg State Medical University named after I.P. Pavlov
Russian Federation

Alexander A. Petrov, Postgraduate student of the Department of Operative Dentistry and Periodontology

Saint Petersburg