S.D. MAYANSKAYA1, N.Z. DAVLYATSHINA1, E.V. MAYKOVA2, M.V. TIKHOMIROVA2, N.N. MAYANSKAYA1, O.A. KRAVTSOVA2  1Kazan State Medical University, 39 Butlerov Str., Kazan, Russian Federation, 420012 2Kazan (Volga Region) Federal University, 18 Kremlevskaya Str., Kazan, Russian Federation, 420008 Mayanskaya S.D. ― D. Med. Sc., Professor of the Department of Hospital Therapy, tel. +7-905-316-99-66, e-mail: [email protected] Davlyatshina N.Z. ― […]

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: [email protected] Ksembaev S.S.— D. Med. Sc., Professor of Infant Dentistry Department, tel. +7-905-020-68-86, […]