TY JOUR TI COMPARATIVE ASSESSMENT OF STATIC STRENGTH OF IMPLANT-ABUTMENT CONNECTIONS OF VARIOUS IMPLANT SHAPES KW dental implant KW abutment KW static testing KW conical dental implant KW cylindrical dental implant KW implant-abutment unit KW static test JO Actual problems in dentistry AU Bragin, E.A. AU El'kanov, A.A. AU Dolgalev, A.A. AU Sergeev, Y.A. AU Avanisyan, V.M. PY 2023 IS 19 PB TIRAZH Publishing House