TY JOUR TI THE FREQUENCY OF COMBINATION OF ORAL LICHEN PLANUS WITH SOMATIC PATHOLOGY AND LOCAL UNFAVORABLE FACTORS OF THE ORAL CAVITY KW oral lichen planus KW erosion of the oral mucosa KW somatic pathology KW diabetes KW psycho-emotional status KW level of hygiene JO Actual problems in dentistry AU Anisimova, I.V. AU Simonyan, L.A. PY 2019 IS 15 PB TIRAZH Publishing House