TY JOUR TI CLINICAL ESTIMATION OF EFFICIENCY OF COMPLEX TREATMENT OF PATIENTS WITH CHRONIC CATARRHAL GINGIVITIS WITH THE USE OF INJECTION GEL OF HYALURONIC ACID KW gingivitis KW pathogenetic therapy of inflammatory periodontal diseases KW hyaluronic acid KW sodium hyaluronate KW microcirculation JO Actual problems in dentistry AU Nagaeva, M.O. AU Miroshnichenko, V.V. AU Petrov, I.M. AU Frolova, o.I. AU Dzyuba, E.V. PY 2019 IS 15 PB TIRAZH Publishing House