T. B. Tkachenko
Pavlov First Saint Petersburg State Medical University
Russian Federation

Tatyana B. Tkachenko, DMD, PhD, DSc, Professor, Head of the Department of Pediatric Dentistry and Orthodontics

Saint Petersburg

L. N. Soldatova
Pavlov First Saint Petersburg State Medical University; Military Medical Academy named after S.M. Kirov; Dental Clinic "Alfa-Dent" LLC
Russian Federation

Lyudmila N. Soldatova, DMD, PhD, DSc, Docent, Professor, Department of Pediatric Dentistry and Orthodontics; Senior Lecturer, Department of Maxillofacial Surgery and Surgical Dentistry

Saint Petersburg

A. V. Fedorova
Dental Clinic "Alfa-Dent" LLC
Russian Federation

Anastasiia V. Fedorova, DMD, Orthodontist

32, 5th Krasnoarmeyskaya St., Saint Petersburg, 190005

K. V. Tukhuzheva
Military Medical Academy named after S.M. Kirov
Russian Federation

Karina V. Tukhuzheva, Student, Dental School

Saint Petersburg