TY JOUR TI ANALYSIS OF BONE GRAFTING TECHNIQUES AND OSTEOPLASTIC MATERIALS USED IN IMPLANT PLACEMENT IN PATIENTS WITH PERIODONTAL DISEASES KW periodontitis KW implant treatment KW peri-implantitis KW bone grafting KW osseointegration KW osteoplastic materials JO Actual problems in dentistry AU Stepanova, A.I. AU Nagaeva, M.O. AU Sagandykova, A.A. AU Polunov, K.D. AU Semenova, M.V. PY 2026 IS 22 PB TIRAZH Publishing House