TY JOUR TI POSSIBILITIES OF USING COMPOSITE MATERIALS AND DIGITAL TECHNOLOGIES AT THE STAGES OF ORTHOPEDIC TREATMENT OF PATIENTS WITH COMPLETE ABSENCE OF TEETH KW fiberglass-reinforced composite materials KW acrylic resin KW full removable plate denture KW CAD/CAM technologies KW digital dentistry JO Actual problems in dentistry AU Astashina, N.B. AU Bazhin, A.A. AU Starkova, A.V. AU Ursakiy, O.N. PY 2021 IS 17 PB TIRAZH Publishing House