TY JOUR TI STUDY BY THE METHOD OF ELEKTRONIC PARAMAGNETIC RESONANCE OF THE INFUENCE OF PHYSICS-CHEMICAL AND STRUCTURAL CHARACTERISTICS OF BONE TISSUE ON THE PROCESSES OF OSSEOINTEGRATION OF DENTAL IMPLANTS WITH DIFFERENT MICROSTRUCTURE OF THE SURFACE KW electronic paramagnetic resonance KW implants KW free radicals KW osseointegration KW bone tissue KW apatite KW carbonate groups KW immediate implantation KW dentistry KW clinical study JO Actual problems in dentistry AU Chelyshev, Y.A. AU Grishin, P.O. AU Savranskiy, F.Z. AU Gafurov, M.R. AU Kalinnikova, E.A. AU Chigarina, S.E. PY 2021 IS 16 PB TIRAZH Publishing House