TY JOUR TI FUNCTIONAL STATE OF THE MICROCIRCULATORY SYSTEM IN PERIODONTAL TISSUES IN YOUNG ADULTS WITH DIFFERENT TYPES OF SMOKING KW smoking KW microcirculation KW ultrasound Doppler KW diagnosis KW periodontal diseases JO Actual problems in dentistry AU OREKHOVA, L.Y. AU Petrov, A.A. AU LOBODA, E.S. AU MALYSHEVA, E.Y. AU KOSOVA, E.V. AU KOSOV, S.A. PY 2022 IS 18 PB TIRAZH Publishing House