1. Department of paediatric dentistry and orthodontics , FSBEI HE Prov. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University , Krasnoyarsk , Russian Federation
2. Department of dentistry at the Institute of Postgraduate Education , FSBEI HE Prov. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University , Krasnoyarsk , Russian Federation
3. Siberian Branch of the Russian Academy of Sciences Krasnoyarsk Scientific Center, Research Institute for Medical Problems of Northern Regions , Krasnoyarsk , Russian Federation
4. Department of orthopaedic dentistry , FSBEI HE Prov. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University , Krasnoyarsk , Russian Federation
5. Dental Clinic “Helios” LLC , Sharypovo , Russian Federation