TY JOUR TI CONDITION OF PERIODONTAL TISSUES IN PATIENTS WITH DERMATOSES KW oral lichen planus KW exudative-hyperemic form KW erosive-ulcerative form KW atypical form KW periodontal index JO Actual problems in dentistry AU Chernyshova, N.D. AU Akmalova, G.M. AU CHUYKIN, S.V. PY 2018 IS 14 PB TIRAZH Publishing House