R. A. Sadikov
Saint-Petersburg State University
Russian Federation

Roman A. Sadikov - DMD, PhD, Associate Professor, Department of the Dentistry.

Saint-Petersburg

Yu. V. Plotkina
The Institute of Precambrian Geology and Geochronology Russian Academy of Sciences
Russian Federation

Yulia V. Plotkina - PhD, Senior Researcher, Laboratory of Isotope Geology.

Saint Petersburg

E. М. Chernovol
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Elizaveta M. Chernovol - DMD, PhD, Assistant Professor, Department of Clinical Dentistry.

Saint Petersburg

A. L. Rubezov
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Alexandr L. Rubezov - DMD, PhD, Head of the Department of Clinical Dentistry.

Saint Petersburg

E. S. Mikhailova
Saint-Petersburg State University
Russian Federation

Ekaterina S. Mikhailova - DMD, PhD, DSc, Associate Professor, Department of the Restorative Dentistry.

Saint Petersburg

А. R. Sadikov
Pavlov First Saint Petersburg Medical University
Russian Federation

Anatoly R. Sadikov – student.

Saint Petersburg