Insufficient bone height resulting from a low-lying maxillary sinus or atrophy of the alveoli after extraction is a frequent clinical finding that confronts the implant surgeon when preparing for implant placement in the posterior maxilla. A transrectal sinus lift or a lateral technique can be used to augment the site. The maxillary sinus, vital in dental and surgical contexts, relates to dental structures, inflammation susceptibility, growth, and functions. Surgical methods, like maxillary sinus lifts for dental implants, are detailed along with patient evaluation and precautions. Osteotome-mediated sinus elevation aids oral rehabilitation. To learn more about the causes, modes, and treatments of implant infections, searches were conducted using the databases of Medline, Pubmed, Embase, NCBI, and Cochrane. Studies that provided information on the kinds of antibiotics and surgical techniques used to treat the infection were given special attention. Osteotome-based sinus membrane elevation is dependable for restoring atrophic posterior maxilla yet lacks long-term data. Short implants (6mm vertical bone. Additional grafting aids if more intra-sinus bone is required for the desired implant length.