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When replacing posterior upper teeth with dental implants, one of the limiting factors is the amount of bone available between the gum and the maxillary sinus. If there is insufficient bone to allow for the placement of an implant, Dr. Bloom may suggest a procedure called a sinus augmentation procedure or a sinus lift. During this procedure, the sinus membrane is then lifted upward and donor bone is inserted into the floor of the sinus. After several months of healing, the bone becomes part of the patient’s jaw and dental implants can be inserted and stabilized in this new sinus bone. Routine dental implant procedures can then be performed.