E.V. URAKOVA1, R.Yu. ILYINA1, M.M. ALEEVA1, R.V. LEKSIN2 1Kazan State Medical Academy, 36 Butlerov Str., Kazan, Russian Federation, 420012 2Republican Clinical Hospital of the MH of RT, 138 Orenburgskiy Trakt, Kazan, Russian Federation, 420064  Urakova E.V. ― Cand. Med. Sc., Associate Professor of the Department of Maxillofacial Surgery and Surgical Stomatology, tel. +7-917-273-65-01, e-mail: [email protected] […]