To make implantation possible, bone grafting in the sinus cavities is occasionally necessary. Dr. William Campbell can perform a sinus grafting procedure in these instances to correct any problems. The trouble is often sparked by the size, shape or placement of the sinuses, which causes them to encroach on the space in the jaw bone normally reserved for teeth. With a sinus graft, Dr. Campbell can increase the amount of bone and create more room for placing implants. Sinus grafts are usually performed in the office under local anesthesia, sometimes with the addition of sedation.