L. Yu. Orekhova
First St. Petersburg State Medical University named after academician I.P. Pavlov; City periodontal center PAKS Ltd
Russian Federation

Orekhova Liudmila Yu., DSc, Professor, chief of the department Dental therapeutic and periodontology, President of RPA, general manager

Saint Petersburg

R. S. Musaeva
First St. Petersburg State Medical University named after academician I.P. Pavlov
Russian Federation

Musaeva Ramilya Selim kizi, PhD, Associate Professor of the department Dental therapeutic and periodontology 

Saint Petersburg

E. S. Loboda
First St. Petersburg State Medical University named after academician I.P. Pavlov; City periodontal center PAKS Ltd
Russian Federation

Loboda Ekaterina S., PhD, Associate Professor of the department Dental therapeutic and periodontology, dentist 

Saint Petersburg

Е. V. Grinenko
First St. Petersburg State Medical University named after academician I.P. Pavlov; City periodontal center PAKS Ltd
Russian Federation

Grinenko Eleonora V., post-graduate student of the department Dental therapeutic and periodontology,  dentist 

Saint Petersburg

G. Yu. Gulyanov
First St. Petersburg State Medical University named after academician I.P. Pavlov
Russian Federation

Gulyanov Giorgi Yu., student of 5th course 

Saint Petersburg