“Case Report on Immediate Replacement for Maxillary Posterior Teeth With Fixed Implant-Borne Restorations: Need – Opportunity – Feasibility of Avoiding Conventional Sinus Floor Elevation”. 2024. Ukrainian Dental Journal 3 (1-2): 186-200. https://doi.org/10.56569/UDJ.3.1-2.2024.186-200.