A.R. MULLINA1, S.S. KSEMBAEV1, S.B. ORLINSKIY2, A.K. SALAKHOV1 1Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012 2Kazan Federal (Volga Region) University, 18 Kremlyovskaya St., Kazan, Russian Federation, 420008 Mullina A.R.— postgraduate student of Infant Dentistry Department, tel. +7-905-020-68-86, e-mail: ksembaev@rambler.ru1 Ksembaev S.S.— D. Med. Sc., Professor of Infant Dentistry Department, tel. +7-905-020-68-86, […]

L.N. KHAFIZOVA1, S.S. KSEMBAEV1, O.V. NESTEROV2, E.V. MAMAEVA1 1Kazan State Medical University, 49 Butlerova St., Kazan, Russian Federation 420011 2Kazan State Medical Academy, 11 Mushtari St., Kazan, Russian Federation 420011 Khafizova L.N. — Competitor of the Department of pediatric dentistry in Kazan State Medical University, tel. +7-937-613-86-48, e-mail: l.hafizova@mail.ru1 Ksembaev S.S. — D. med. Sc., professor of the Department of pediatric dentistry in Kazan State […]