TY JOUR TI EVALUATION OF MARKERS OF PERIODONTAL DISEASE DEVELOPMENT ON BASED ON THE STUDY OF THE MICROBIAL COMPOSITION OF VARIOUS BIOTOPES OF THE ORAL CAVITY KW biotopes KW dental plaque KW oral KW gingival fluid KW dentoalveolar pocket KW markers KW periodontal pathogens KW polymerase chain reaction JO Actual problems in dentistry AU Al-Qufaish, M.. AU Usmanova, I.N. AU Khusnarizanova, R.F. AU Kuznetsova, L.I. AU Gumerova, M.I. AU Usmanov, I.R. AU Sarvalieva, A.F. PY 2021 IS 16 PB TIRAZH Publishing House