L. Yu. Ostrovskaya
Saratov State Medical University named after V.I. Razumovsky
Russian Federation

Ostrovskaya  Larisa Yu., PhD, Md, DSc, Professor of the department of Therapeutical Stomatology.

A. V. Lepilin
Saratov State Medical University named after V.I. Razumovsky
Russian Federation

Lepilin  Alexander  V. - PhD, Md, DSc, Professor, chief of the department of surgical dentistry and maxillofacial surgery.

N. L. Erokina
Saratov State Medical University named after V.I. Razumovsky
Russian Federation

Erokina Nadezhda L. - PhD, Md, DSc, Professor of the department of surgical dentistry and maxillofacial surgery.

L. S. Katkhanova
Saratov State Medical University named after V.I. Razumovsky
Russian Federation

Katkhanova Lilia S. - MD of the department of Therapeutical Stomatology.

S. B. Fischev
St. Petersburg State Pediatric Medical University
Russian Federation

Fishchev  Sergey  B. - PhD, Md, DSc, Professor, chief of the department of pediatric dentistry and orthodontics.