T. S. Kochkonyan
Kuban State Medical University
Russian Federation

Taisiya S. Kochkonyan - Candidate of Medical Sciences, Associate Professor of the Department of Prosthetic Dentistry.

Krasnodar

D. A. Domenyuk
Stavropol State Medical University
Russian Federation

Dmitry А. Domenyuk - DMD, PhD, DSc, Professor of the Department of Gen-eral Dentistry and Pediatric Dentistry.

Stavropol

B. N. Davydov
Tver State Medical University
Russian Federation

Boris N. Davydov - DMD, PhD, DSc, Professor, Corresponding Member of the Russian Academy of Sciences, Honored Scientist of the Russian Federation, Department of Pediatric Dentistry and Orthodontics.

Tver

O. O. Ivanyuta
Stavropol State Medical University
Russian Federation

Oleg O. Ivanyuta - Postgraduate Student of the Department of General Practice Dentistry and Pediatric Dentistry.

Stavropol

S. D. Domenyuk
North Caucasus Federal University
Russian Federation

Stanislav D. Domenyuk – student.

Stavropol