H. Almokaddam
Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University), Medical Institute
Russian Federation

Hayan Almokaddam – Postgraduate Student of the Department of Dentistry Pediatric Dentistry and Orthodontics

6 Miklukho-Maklaya Str., Moscow 117198

N. S. Tuturov
Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University), Medical Institute
Russian Federation

Nikolay S. Tuturov – Cand. Sci. (Med.), Associate Professor, Head of the Department of Pediatric Dentistry and Orthodontics

6 Miklukho-Maklaya Str., Moscow 117198

I. Katbeh
Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University), Medical Institute
Russian Federation

Imad Katbeh – Cand. Sci. (Med.), Senior Lecturer at the Department of Pediatric Dentistry and Orthodontics

6 Miklukho-Maklaya Str., Moscow 117198

A. Saleh
Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University), Medical Institute
Russian Federation

Ahmad Saleh – Resident of the Department of Pediatric Dentistry and Orthodontics

6 Miklukho-Maklaya Str., Moscow 117198

I. Ibrahim
Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University), Medical Institute
Russian Federation

Ibrahim Ibrahim – Postgraduate Student of the Department of Dentistry Pediatric Dentistry and Orthodontics

6 Miklukho-Maklaya Str., Moscow 117198