TY JOUR TI USE OF THE RAT PERIODONTAL INDEX (PIoR) AS AN OBJECTIVE METHOD FOR STUDYING THE PERIODONTAL CONDITION OF WISTAR RATS. EXPERIMENTAL RESEARCH KW inflammatory periodontal diseases KW preclinical studies KW periodontal index KW Wistar rats KW gingivitis JO Actual problems in dentistry AU Popov, V.A. AU Gorbatova, L.N. AU Dubinina, A.S. AU Zhurba, S.I. AU Pozdeev, N.V. AU Zvezdina, Y.M. AU Preobrazhenskaya, E.S. PY 2024 IS 20 PB TIRAZH Publishing House