TY JOUR TI COMPARATIVE EFFICIENCY OF COMPLEX THERAPY AND STANDARD METHOD OF TREATMENT OF DESTRUCTIVE FORMS OF A PERIODONTITIS ON THE BASIS OF DENSITOMETRIC AND IMMUNOLOGIC METHODS OF A RESEARCH KW JO Actual problems in dentistry AU Kogina, E.N. AU Gerasimova, L.P. AU Saptarov, Y.N. PY 2017 IS 13 PB TIRAZH Publishing House