M.M. ALEYEVA1, E.V. URAKOVA2, R.V. LEKSIN1 1Republic Clinical Hospital of the MH of RT, 138A Orenburgskiy Trakt, Kazan, Russian Federation, 420139 2Kazan State Medical Academy — Branch Campus of the RMACPE MOH Russia, 36 Butlerov Str., Kazan, Russian Federation, 420012  Aleyeva M.M. ― stomatologist-therapist, maxillofacial surgeon, tel.: (843) 554-54-25, +7-937-616-79-99, e-mail: mari-aleeva@yandex.ru Urakova E.V. ― […]