TY JOUR TI MAIN AND ADDITIONAL SIGNS AT THE BASIS OF DIAGNOSIS OF DESCVAMATIVE GINGIVITIS IN LICHEN PLANUS OF ORAL MUCOSA KW lichen planus KW desquamative gingivitis KW pemphigus KW diagnostics KW mucous membrane of mouth KW dentistry JO Actual problems in dentistry AU Griroriev, S.S. AU Yepishova, A.A. AU Akmalova, G.M. AU Chernyshova, N.D. AU Kozmenko, A.N. AU Gainetdinov, M.R. PY 2023 IS PB TIRAZH Publishing House