LLUSD - Chapter 12 - Sinus Graft Surgery The maxillary ostium is the site from which the sinus drains its secretions into the nasal cavity.*TrueFalseThe one-stage approach to sinus graft surgery indicates the graft material was placed but no implants were placed.*TrueFalseBone formation is fastest and most complete when using autogenous bone as the graft material.*TrueFalseMineralization of a grafted maxillary sinus is completed after 6 months.*TrueFalseDr. Tatum is recognized as the developer of the sinus graft surgical procedure.*TrueFalseSinus graft procedures are indicated for patients with pneumatization of the sinus who need implants in the area of pneumatization.*TrueFalseSmoking has no adverse effect on implants placed in grafted sinuses.*TrueFalseThe use of a membrane over the lateral antrostomy window improves implant survival*TrueFalseThe percentage of bone present in a combined allogenic-zenogenic graft of the maxillary sinus is much greater than the percentage of bone in the residual ridge.*TrueFalseA CT scan is the most reliable method for maxillary sinus diagnostic evaluation.*TrueFalseThreaded root form implants are preferred for use in sinus graft procedures.*TrueFalseSinus membrane perforation during sinus graft surgery is an indication to immediately suspend the surgical procedure and close the operating site with no further treatment performed.*TrueFalse
