TY JOUR TI FEATURES OF CLEAVAGE OF THE ALVEOLAR RIDGE DURING SIMULTANEOUS IMPLANTATION (CLINICAL CASE) KW resource approach during complex surgical intervention KW piezosurgery KW splitting of the alveolar ridge KW implantation KW insufficient thickness of the alveolar process JO Actual problems in dentistry AU Chernavskiy, A.F. AU Musikhin, I.M. AU Musikhina, B.B. AU Badalyan, A.A. PY 2022 IS 18 PB TIRAZH Publishing House